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683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.7 Transition from Facsimile to Speech - Procedure interrupt generated by receiving station | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.7.1 Definition | -29.4.2.7.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the ICM procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.7.3 Test purpose | To verify the transition from fax to speech in case of an MS supporting TS 61. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.7.4 Method of test | Initial conditions
The activity progress of the fax call is brought to phase C (message phase). The ECM shall not be used.
Test procedure
During the message phase a procedure interrupt is generated by the SS, which is executed as soon as phase D is entered. The SS then sends the PIP frame causing an alert at the mobile side. When the operator at the mobile side goes on line the PRI-Q frame is generated and results in an alarm at the SS side. The operator at this side going on line completes the PRI handshaking by causing the PIP frame to be sent. Upon completion of the PRI handshaking the MT executes the MODIFY procedure, which leads to the speech phase. Then the call is cleared by manual intervention at the MT or the facsimile phase maybe reselected.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 Message Procedure (as described above) Operator intervention requested
2 MS-->SS Fax: Send preamble, EOP
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*, EOP*
CT109 OFF (see note 2) -----> Receive preamble*, EOP*
IDLE
3 SS-->MS <----- Send preamble*, PIP*
FA: CT105 ON (see note 2)
BCS-TRA
Transmit preamble, PIP
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, PIP
Alert operator
4 MS-->SS Operator goes on line
Fax: Send preamble, PRI-EOP
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*, PRI-EOP*
CT109 OFF (see note 2) -----> Receive preamble*, PRI-EOP*
IDLE Alert operator
MT: CT106/109 OFF (see note 2)
5 SS-->MS Operator goes on line
<----- Send preamble*, PIP*
FA: CT105 ON (see note 2)
BCS-TRA
Transmit preamble, PIP
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, PIP
6 MS-->SS FA: CT108.2 OFF (see note 2)
MT: Send MODIFY message -----> Receive MODIFY m.
<----- Send MODIFY COMPLETE
CT107 OFF (see note 2)
SPEECH PHASE |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.7.5 Test requirements | 1. To be verified that CT106/109 are in OFF (see note 2) condition.
2. To be verified that CT108.2 goes to OFF (see note 2) upon completion of the PRI handshaking, that this transition to OFF triggers the MODIFY message to be sent and that the reception of the MODIFY COMPLETE message causes CT107 to be set to OFF (see note 2) condition by the MT. In addition the availability of the speech channel shall be checked. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.8 Transition from Facsimile to Speech - Procedure interrupt generated by transmitting station | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.8.1 Definition | -29.4.2.8.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the ICM procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.8.3 Test purpose | To verify the transition from fax to speech in case of an MS supporting TS 61. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.8.4 Method of test | Initial conditions
The activity progress of the fax call is brought to phase C (message phase). The ECM shall not be used.
Test procedure
During the message phase a procedure interrupt is generated at the MS side, which is executed as soon as phase D is entered. The fax then sends the PRI-EOP frame causing an alert at the SS side. When the operator at the SS side goes on line the PIP frame is generated and results in an alarm at the MS side. The operator at this side going on line completes the PRI handshaking by causing the PRI-EOP frame to be sent. Upon completion of the PRI handshaking the MT executes the MODIFY procedure, which leads to the speech phase. Then the call is cleared by manual intervention at the MT or the facsimile phase maybe reselected.
Expected sequence
MS: SS:
Step Direction
----------------------------------------------------------------------------------------------------------------------------- |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 1 Message Procedure (as described above) | Operator intervention requested
2 MS-->SS Fax: Send preamble, PRI-EOP
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*, PRI-EOP*
CT109 OFF (see note 2) -----> Receive preamble*, PRI-EOP*
IDLE
3 SS-->MS <----- Send preamble*, PIP*
FA: CT105 ON (see note 2)
BCS-TRA
Transmit preamble, PIP
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, PIP
Alert operator
4 MS-->SS Operator goes on line
MT: CT106/109 OFF (see note 2)
Fax: Send preamble, PRI-EOP
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*, PRI-EOP*
CT109 OFF (see note 2) -----> Receive preamble*, PRI-EOP*
IDLE
5 MS-->SS FA: CT108.2 OFF (see note 2)
MT: Send MODIFY message -----> Receive MODIFY m.
<----- Send MODIFY COMPLETE
CT107 OFF (see note 2)
SPEECH PHASE |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.8.5 Test requirements | 1. To be verified that CT106/109 are in OFF (see note 2) condition.
2. To be verified that CT108.2 goes to OFF (see note 2) upon completion of the PRI handshaking, that this transition to OFF triggers the MODIFY message to be sent and that the reception of the MODIFY COMPLETE message causes CT107 to be set to OFF (see note 2) condition by the MT. In addition the availability of the speech channel shall be checked. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.9 Quality check | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.9.1 Definition | -29.4.2.9.2 Conformance requirement
The configuration supporting transparent facsimile group 3 shall decode the T.4 coding and shall generate a document.
Reference
3GPP TS 03.45, ITU-T Recommendation T.21, ITU-T Recommendation T.4. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.9.3 Test purpose | To verify the quality of the received document. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.9.4 Method of test | Initial conditions
The document has been received at the called side.
Test procedure
The quality of the received document at the SS side shall be checked. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.2.9.5 Test requirement | The contents of the transmitted and the received document shall be the same. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3 Mobile terminated call | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1 Call Establishment Procedure | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1 Alternate Speech/Facsimile | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.1 DCD Mobile Terminated | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.1.1 Definition | -29.4.3.1.1.1.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the ICM procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.1.3 Test purpose | To verify the transition from speech to fax in case of an MS supporting TS 61 and that the circuit and tone handling of the MT and FA is correct in case of an MT DCD. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.1.4 Method of test | Initial conditions
A TS 61 s/f call is set up. The speech phase is active.
Test procedure
The transition from speech to fax is initiated by manual intervention at both ends of the connection, i.e. the data call direction DCD is mobile terminated. Upon connection to line the FA turns on CT108.2 (see note 2) as a basic requirement for the transition from speech to fax. Now, within the next 3 seconds the FA has to detect the DCD, which is in this case mobile terminated, i.e. CT105 is set to OFF condition (see note 2). The following ICM procedure via the MODIFY message is carried out by the MT 3 seconds after circuit CT108.2 (see note 2) was set to ON condition. On completion of the ICM the synchronization of the TCH begins and after its completion the MT has to set CT107 to ON condition (see note 2). When CT106/109 are set to ON (see note 2) phase A is completed. Then the call is cleared by manual intervention at the MT or the activity progress of the call proceeds to the next phase.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 MS-->SS Fax: Connect to line (see note 1) Connect to line (see note 1)
FA: CT108.2 ON (see note 2)
Detect DCD
CT105 OFF (see note 2)
MT: Send MODIFY message ------> Receive MODIFY message
3 seconds after CT108.2 ON (see note 2)
2 SS-->MS <----- Send MODIFY COMPLETE
3 MS<->SS TCH Synchronization <----> TCH Synchronization
MT: CT107 ON (see note 2), when synchronized
4 SS-->MS <----- Set X and SB bit in V.110 frame
MT: CT106/109 ON (see note 2)
FA: Enter BCS-REC state Enter BCS-TRA state |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.1.5 Test requirements | 1. The condition of CT108.2 and CT105 is verified (see note 2); CT106, 107, 109 have to be in OFF (see note 2) condition. The MODIFY message has to be sent 3 seconds ± 10% after circuit CT108.2 has gone to ON (see note 2) condition.
2. The RCSD-IE shall not be included in the MODIFY message.
3. To be verified that the MT begins the synchronization phase by sending the pattern 1/OFF after the reception of the MODIFY COMPLETE message, that CT107 is turned on (see note 2) by the MT after successful synchronization.
4. To be verified that CT106 and CT109 are turned on (see note 2), when in the V.110 frames received from the SS the X and SB bits are set. The state of the FA shall be verified (->BCS-REC). |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.2 DCD mobile originated | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.2.1 Definition | -29.4.3.1.1.2.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the ICM procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.2.3 Test purpose | To verify the transition from speech to fax in case of an MS supporting TS 61 and that the circuit and tone handling of the MT and FA is correct in case of an MO DCD. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.2.4 Method of test | Initial conditions
A TS 61 s/f call is set up. The speech phase is active.
Test procedure
The transition from speech to fax is initiated by manual intervention at both ends of the connection, i.e. the data call direction DCD is mobile originated. Upon connection to line the FA turns on CT108.2 (see note 2) as a basic requirement for the transition from speech to fax. Now, within the next 3 seconds the FA has to detect the DCD, which is in this case mobile originated, i.e. CT105 is set to ON condition (see note 2), indicating that the MT has to include the RCSD-IE in the MODIFY message. The following ICM procedure via the MODIFY message is carried out by the MT 3 seconds after circuit CT108.2 (see note 2) was set to ON condition. On completion of the ICM the synchronization of the TCH begins and after its completion the MT has to set CT107 to ON condition (see note 2). When CT106/109 are set to ON (see note 2), phase A is completed. Then the call is cleared by manual intervention at the MT or the activity progress of the call proceeds to the next phase.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 MS-->SS Fax: Connect to line (see note 1) Connect to line (see note 1)
FA: CT108.2 ON (see note 2)
Detect DCD
CT105 ON (see note 2)
MT: Send MODIFY message ------> Receive MODIFY message
with RCSD-IE 3 seconds
after CT108.2 ON (see note 2)
2 SS-->MS <----- Send MODIFY COMPLETE
with RCSD-IE
3 MS<->SS TCH Synchronization <----> TCH Synchronization
MT: CT107 ON (see note 2), when synchronized
FA: Generate CED (see note 2)
Fax: Detect CED (see note 2)
4 SS-->MS <----- Set X and SB bit in modified
V.110 frame
MT: CT106/109 ON (see note 2)
FA: Enter BCS-TRA state Enter BCS-REC state |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.1.2.5 Test requirements | 1. The condition of CT108.2 and CT105 is verified (see note 2); CT106, 107, 109 have to be in OFF (see note 2) condition.
2. The MODIFY message containing the RCSD-IE has to be sent 3 seconds ± 10% after circuit CT108.2 has gone to ON (see note 2) condition.
3. To be verified that the MT begins the synchronization phase by sending the pattern 1/OFF after the reception of the MODIFY COMPLETE message, that CT107 is turned on (see note 2) by the MT after successful synchronization. The CED (see note 2) tone has to be transmitted by the FA.
4. To be verified that CT106 and CT109 are turned on (see note 2), when in the modified V.110 frames received from the SS the X and SB bits are set. The state of the FA shall be verified (-> BCS-TRA). |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.2 Automatic facsimile | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.2.1 Definition | -29.4.3.1.2.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the call setup procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, 3GPP TS 07.01, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.2.3 Test purpose | To verify that the circuit and tone handling of the MT and FA is correct. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.2.4 Method of test | Initial conditions
The MS, configured for the fax call, is updated. Then the call establishment phase begins.
Test procedure
The SS will send the SETUP message causing CT125 (see note 2) going to ON condition at the MT. The FA then sends ring current (see note 2) to the fax machine, which will connect to line. The FA sets CT108.2 (see note 2) to ON condition which causes the MT to send the CONNECT message towards the SS. When the TCH is available (indicated by the CONNECT ACK message) the synchronization phase begins, i.e. both entities start sending the synchronization pattern 1/OFF. CT106, 107, 109 have to be in OFF (see note 2) condition. Upon completion of the synchronization phase the MT sets CT107 (see note 2) to ON condition causing the FA to send the CNG tone (see note 2) while the SS turns on CT108.2 causing the CED tone to be sent. Then the SS sets CT106 and 109 to ON (see note 2) at the MT by means of the modified V.110 X and SB bits, which completes Phase A. Then the call is cleared by manual intervention at the MT or the activity progress of the call proceeds to the next phase.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 SS-->MS <----- Send SETUP message
MT: CT125 ON (see note 2)
FA: Cause ring current to flow (see note 2)
2 MS-->SS Fax: Connect to line (see note 1)
FA: CT108.2 ON (see note 2)
MT: Send CONNECT message ------> Receive CONNECT message
3 SS-->MS Send CONN ACK message
4 MS<->SS TCH Synchronization <----> TCH Synchronization
MT: CT107 ON (see note 2), when completed
FA: Generate CNG (see note 2)
Fax: Receive CNG (see note 2)
5 SS-->MS <----- Set X and SB bit in modified
V.110 frame
MT: CT106/109 ON (see note 2)
6 FA: Enter BCS-REC state Enter BCS-TRA state |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.1.2.5 Test requirements | 1. The condition of CT125 (see note 2) shall be verified.
2. CT108.2 to be verified (see note 2) and the CONNECT message has to be sent by the MT.
3. To be verified that at the MT CT106, 107, 109 are in OFF (see note 2) condition, that the MT begins the synchronization phase by sending the pattern 1/OFF, that CT107 is turned on (see note 2) by the MT after successful synchronization and that the CNG tone (see note 2) is sent.
4. It shall be verified that CT106 and CT109 are turned on (see note 2), when in the modified V.110 frames received from the SS the X and SB bits are set.
5. The state of the FA shall be verified (-> BCS-REC). |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.2 Pre-message procedure | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.2.1 Definition | -29.4.3.2.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the pre-message procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.2.3 Test purpose | To verify the correct handling of the T.30 DIS/DCS/TCF frames. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.2.4 Method of test | Initial conditions
The activity progress of the fax call is brought to the beginning of Phase B. The fax transmission shall start using a speed of 9,6 kBit/s.
Test procedure
After phase A the FA being in BCS-REC state, sends the DIS* frame in order to indicate the capabilities of the connected fax and the FA and returns to the idle state. The SS's answer to the DIS is the DCS*. Upon detection of the BCS-REC identifier the FA enters the BCS-TRA state, receives the DCS* and transmits the DCS to the fax. After being for 75 ± 20 ms in IDLE state the FA autonomously enters the MSG-TRA state and begins transmitting the training sequence towards the fax without being triggered by the remote FA/SS. Meanwhile the SS sends the TCF*, which is buffered by the FA. When the training is done the FA transmits the buffered TCF towards the fax. Then the CFR* frame is transmitted to the SS. Now, phase B is completed and the data transfer phase C begins. Then the call is cleared by manual intervention at the MT or the call activity progress proceeds to the next phase.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 MS-->SS Fax: Send preamble, IS
FA: BCS-REC
Filter DIS
Send preamble*,DIS* -----> Receive preamble*,DIS*
CT109 OFF (see note 2)
IDLE
2 SS-->MS <----- Send preamble*,DCS*
FA: CT105 ON (see note 2)
BCS-TRA
Monitor DCS
Transmit preamble, DCS
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, DCS
3 SS-->MS <----- Send TCF*
FA: CT105 ON (see note 2)
MSG-TRA
Initiate training after 75 ms +‑20 ms in IDLE
Transmit TCF
CT105 OFF (see note 2)
IDLE
Fax: Receive training, TCF
4 MS-->SSFax: Send preamble, CFR
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*,CFR*
CT109 OFF (see note 2) -----> Receive preamble*,CFR*
IDLE |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.2.5 Test requirements | 1. To be verified that the DIS is filtered and that the correct up-conversion to the message speed is applied. CT109 should go to OFF (see note 2).
2. The DCS shall indicate a message speed of 7 200 bit/s and the down-conversion to the BCS speed shall be verified.
3. The FA, after the reception of the DCS, sends SYNC frames for 75 ± 20 ms and changes to the MSG-TRA state without being triggered by the SS. When the training is over the TCF is transmitted to the fax.
4.The condition of CT109 (see note 2), the ident octet of the STATUS frames and the up-conversion to the message speed shall be verified. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.3 Message procedure | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.3.1 Definition | -29.4.3.3.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the message procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30, ITU-T Recommendation T.4, ITU-T Recommendation T.21. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.3.3 Test purpose | To verify the facsimile data transmission phase. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.3.4 Method of test | Initial conditions
The activity progress of the fax call is brought to the beginning of Phase C. The ECM shall not be used.
Test procedure
The FA is in idle state. Upon reception of the MSG-REC identifier the FA enters the MSG-TRA state, sends the MSG-TRA identifier and initiates the training. While the training is in progress data being received is buffered and conveyed to the connected fax upon end of training. When the transmission is finished the FA is again in the IDLE state and Phase D begins. Then the call is cleared by manual intervention at the MT or the activity progress of the call will proceed to the next phase.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 SS-->MS <----- Transmit STATUS interleaved
with SYNC frames
2 MS-->SS FA: CT105 ON (see note 2)
MSG-TRA
Initiate training
Send STATUS interleaved
with SYNC frames ----->
3 SS-->MS <----- Send fax message*
FA: Buffer received data during training
Receive fax message*
" "
" "
" "
CT105 OFF (see note 2)
IDLE
Fax: Receive training, fax message |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.3.5 Test requirements | 1. To be verified that the FA enters the MSG-TRA state and inserts the correct ident octet in the STATUS frames. Training has to be initiated (see note 2). STATUS frames have to be sent interleaved with SYNC frames.
2. The condition of CT105 (see note 2) shall be checked. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.4 Post-message procedure | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.4.1 Definition | -29.4.3.4.2 Conformance requirement
The MS supporting transparent facsimile group 3 shall perform the post-message procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.4.3 Test purpose | To verify phase D of the facsimile transmission. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.4.4 Method of test | Initial conditions
The activity progress of the fax call is brought to the beginning of Phase D. The ECM shall not be used.
Test procedure
The SS sends the EOP* frame. The FA then enters the BCS-TRA state and conveys the EOP frame to the fax machine. The fax answers the EOP with the MCF frame. The FA will enter the BCS-REC state, transmit the BCS-REC identifier and will convey the MCF* frame to the SS. Afterwards the FA enters the IDLE state. Phase D of the fax transmission is completed. Then the call is cleared by manual intervention at the MT or the activity progress of the call will proceed to the next phase.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 SS-->MS <----- Send preamble*, EOP*
FA: CT105 ON (see note 2)
BCS-TRA
Transmit preamble, EOP
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, EOP
2 MS-->SS Fax: Send preamble, MCF
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*, MCF*
CT109 OFF (see note 2) -----> Receive preamble*, MCF*
IDLE |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.4.5 Test requirements | 1. To be verified that the FA enters the BCS-TRA state upon detection of the BCS-REC identifier and that the correct T.30 message (down conversion to the message speed) is conveyed to the connected fax.
2. To be verified that the FA enters the BCS-REC state and that the correct STATUS frames are sent (up-conversion to the message speed). |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.5 Call release procedure | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.5.1 Definition | - |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.5.2 Conformance requirement | The MS supporting transparent facsimile group 3 shall perform the call release procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.5.3 Test purpose | To verify phase E of the facsimile transmission. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.5.4 Method of test | Initial conditions
The activity progress of the fax call is brought to the beginning of Phase E.
Test procedure
The SS sends the preamble followed by the DCN frame. The FA then enters the BCS-TRA state and sends the DCN frame to the fax terminal. The FA enters the idle state again. CT108.2 (see note 2) will go OFF condition. The MT then sends the DISC message and the call is cleared.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 SS-->MS <----- Send preamble*, DCN*
FA: CT105 ON (see note 2)
BCS-TRA
CT108.2 OFF (see note 2)
Generate preamble, DCN
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, DCN
MT: Send DISC message -----> Receive DISC message |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.5.5 Test requirements | To be verified that CT108.2 is turned off (see note 2) and that the correct down-conversion to the BCS speed is applied. The MT shall send the DISC message. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.6 Speed conversion factor | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.6.1 Definition | - |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.6.2 Conformance requirement | The MS supporting transparent facsimile group 3 shall perform the up- and down-conversion procedure and shall support the frames and the circuits at the Um-,R- and 2w-interface according the specifications referred to in the subclause "Reference".
Reference
3GPP TS 03.45, ITU-T Recommendation T.30. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.6.3 Test purpose | To verify the correct speed conversion for the BCS phases. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.6.4 Method of test | Initial conditions
The activity progress of the fax call is brought to the beginning of Phase B. The ECM shall not be used.
Test procedure
The following test sequence is repeated 5 times with 5 different DCS frames indicating a message speed of 9,6/7,2/4,8/2,4 and 9,6 kBit/s. This test is done to verify that the FA detects a change of the TCH access rate and due to this updates the speed conversion factor, which is used for the up-conversion of the BCS signalling to the message speed and vice versa. Then the call is cleared by manual intervention at the MT or the activity progress of the call proceeds to the next phase.
Expected sequence
MS: SS:
Step Direction
-----------------------------------------------------------------------------------------------------------------------------
1 MS-->SS Fax: Send preamble, IS
FA: BCS-REC
Monitor DIS
Send preamble*,DIS* -----> Receive preamble*,DIS*
CT109 OFF (see note 2)
IDLE
2 SS-->MS <----- Send preamble*,DCS*
FA: CT105 ON (see note 2)
BCS-TRA
Monitor DCS
Transmit preamble, DCS
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, DCS
3 SS<->MS Execution of the CMM procedure **): The SS sends the CMM message
150 ms after the DCS has been sent and the MT completes the procedure
by sending the CMM ACK message
4 SS-->MS <----- Send TCF*
FA: CT105 ON (see note 2)
MSG-TRA
Initiate training after 75 ms ± 20 ms in idle
Generate TCF
CT105 OFF (see note 2)
IDLE
Fax: Receive training, TCF
5 MS-->SS Fax: Send preamble, CFR
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*,CFR*
CT109 OFF (see note 2) -----> Receive preamble*,CFR*
IDLE
6 SS-->MS <----- Send fax message*
FA: CT105 ON (see note 2)
MSG-TRA
Initiate training
Buffer received data during training
Receive fax message*
" "
" "
" "
CT105 OFF (see note 2)
IDLE
Fax: Receive training, fax message
7 SS-->MS <----- Send preamble*, EOM*
FA: CT105 ON (see note 2)
BCS-TRA
Transmit preamble, EOM
CT105 OFF (see note 2)
IDLE
Fax: Receive preamble, EOM
8 MS-->SS Fax: Send preamble, MCF
FA: CT109 ON (see note 2)
BCS-REC
Send preamble*, MCF*
CT109 OFF (see note 2) -----> Receive preamble*, MCF*
IDLE |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 9 Repeat steps 2 to 8 four times | **) only if the requested rate in the DCS differs from the existing radio channel rate (when the radio channel rate equals 9 600 kbit/s and the DCS requests 7 200 kbit/s no CMM will be executed) |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.6.5 Test requirements | 1. The MT shall send the CMM ACK message.
2. For 7,2/9,6 kBit/s:
The correct up- and down-conversion shall be verified (4 STATUS frames for 1 BCS octet)
For 4,8 kBit/s:
The correct up- and down-conversion shall be verified (2 STATUS frames for 1 BCS octet)
For 2,4 kBit/s:
The correct up- and down-conversion shall be verified (1 STATUS frame for 1 BCS octet)
The IDENT octet shall be set to BCS-REC in case of the up-conversion. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.7 Quality Check | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.7.1 Definition | - |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.7.2 Conformance requirement | The configuration supporting transparent facsimile group 3 shall decode the T.4 coding and shall generate a document.
Reference
3GPP TS 03.45, ITU-T Recommendation T.21, ITU-T Recommendation T.4. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.7.3 Test purpose | To verify the quality of the received document. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.7.4 Method of test | Initial conditions
The document has been received at the called side.
Test procedure
The quality of the document at the receiving side shall be checked. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.3.7.5 Test requirements | The contents of the transmitted and the received document shall be the same. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 29.4.4 Notes | The following notes apply throughout the subclause 29.4.
NOTE 1: By pressing the START button on the facsimile apparatus or in case of PC fax by selecting the appropriate software menu point or automatically.
NOTE 2: Or equivalent function/means having the same result.
NOTE 3: Tested by monitoring the contents of the STATUS frame ident octet identifier.
NOTE 4: If no access is available to the 2w interface, this requirement cannot always be verified. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30 Speech teleservices | When an artificial ear is required, the ITU‑T Recommendation P.57 [108] Type 1 artificial ear may be used for up to release 4 handsets. See below for details.
If requested by the terminal supplier, the ITU‑T Recommendation P.57 [108] Type 3.2 artificial ear shall be used. In this case the following shall apply:
- either the low leakage option or the high leakage option of Type 3.2 artificial ear may be adopted;
- the force against the ear shall be as specified in ITU‑T Recommendation P.57 [108];
- sound pressure measurements shall be referred to the ERP as specified in ITU‑T Recommendation P.57 [108] or DRP according to the Terminal Supplier's request;
- no leakage correction shall be made in the calculation of RLR (i.e. LE=0).
If requested by the terminal supplier, the ITU‑T Recommendation P.57 [108] Type 3.4 artificial ear may be used for Release 9 6 MS or later. The positioning is defined in ITU-T Recommendation P.64.
If requested by the terminal supplier, the ITU‑T Recommendation P.57 [108] Type 3.3 artificial ear may be used for Release 9 6 MS or later. The positioning is defined in ITU-T Recommendation P.64.
Note that for measurement of STMR in release 4 or later MS as specified in 3GPP TS 26.132, the 3.2 ear with the low leakage option, or 3.3 ear or 3.4 ear shall be used. For release 4 it is also possible to use the type 1 ear.
The manufacturer declares in the IXIT statement which type of artificial ear will be used for teleservices speech testings.
The manufacturer declares in PICS TSPC_MS_AUDIO_RELEASE the acoustic implementation according to a given release. For release 4 or later MS the MS shall be tested against the latest version of the corresponding release of 3GPP TS 26.131 and 3GPP TS 26.132 if a reference to these specifications is indicated in the Test Case.
NOTE 1: An MS may be either a handset MS, a hands free MS or a combined handset and hands free MS. The test description for hands free operation, however, at the moment only covers the stability margin as no test method could be defined for the other parameter.
NOTE 2: Frequency settings in the following tests are taken from ISO 3, R10 series or R40 series or from table 2 of ITU-T Recommendation P.79. A departure from the nominal frequencies of +5 % below 240 Hz and +2 % at 240 Hz and above is accepted. Any sub-multiple of the sampling frequency of 8 kHz shall be avoided. In the case of 4 kHz the departure is restricted to -2 %.
NOTE 3: The measurement accuracy for signal level is ±0,2 dB and for sound pressure ±0,6 dB.
NOTE 4: The digital test signals shall be generated as 8 bit A-law companded PCM signals, which internally in the SS are expanded according to ITU-T Recommendation G.721 (Law=1) to 13 bit linear before being applied to the MS via the DAI.
NOTE 5: When measuring signal levels on the DAI, a digital measuring instrument is connected to the 64 kbit/s output of the A-law compression equipment in the SS, which is in turn connected to the DAI in the MS.
NOTE 6: Measurements shall be possible with and without psophometric weighting according to ITU-T Recommendation G.223, table 4. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1 Sending sensitivity/frequency response | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1.1 Definition | The sending sensitivity frequency response is, as a function of the input test signal frequency, the ratio expressed in dB between the output level at the Digital Audio Interface (DAI) or at the audio output of the reference speech decoder of the SS and the input sound pressure in the artificial mouth required to obtain this. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1.2 Conformance requirement | The sending sensitivity frequency response shall be within the mask given in 3GPP TS 03.50.
3GPP TS 03.50; subclause 3.8.1.1, table 1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1.3 Test purpose | To verify that the sending sensitivity frequency response is within the mask given in 3GPP TS 03.50, subclause 3.8.1.1, table 1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1.4.1 Initial conditions | When measured at the DAI:
a) The handset is mounted in the LRGP (see annex A of ITU-T Recommendation P.76). The earpiece is sealed to the knife-edge of the artificial ear.
b) A pure tone with a sound pressure of -4,7 dBPa (in accordance with ITU-T Recommendation P.64) is applied at the mouth reference point (MRP) as described in ITU-T Recommendation P.64 using an artificial mouth conforming to ITU-T Recommendation P.51.
c) A digital measuring instrument, or high quality digital decoder followed by an analogue level measuring set, is connected to the Digital Audio Interface (DAI). The DAI is set to the operating mode "Test of acoustic devices and A/D & D/A".
When measured at the output of the reference speech decoder of the SS:
a) The handset is mounted in the LRGP and the earpiece is sealed to the knife-edge of an artificial ear.
b) A full rate speech call is set up between the MS and the SS.
c) Artificial speech conforming to ITU‑T Recommendation P.50, shall be applied to the MRP, at a wideband sound pressure level of -4,7 dBPa. This implementation could be a real time algorithm producing the artificial speech or a pre‑recorded tape of the artificial speech.
d) The artificial speech shall comprise of a concatenation of three 10 s intervals of "male" and "female" voice. The first 10 s interval is not used for measurement purposes but allows any noise/echo cancelling devices in the MS to adapt. The second and third 10 s intervals consist of separately "male" and "female" artificial voice. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1.4.2 Procedure | When measured at the DAI:
The SS measures the output level represented by the PCM bit stream at the DAI (pin 23) at one-twelfth-octave intervals as given by the R40 series of preferred numbers in ISO 3 for frequencies from 100 Hz to 4 000 Hz inclusive.
When measured at the output of the reference speech decoder of the SS:
The 1/3 octave filtered long‑term average spectrum of the signal is measured at the analogue or digital output of the reference speech decoder of the SS and an average for the "male" and "female" voices is obtained. The sending sensitivity/frequency response is calculated as the difference between the 1/3 octave input power and the 1/3 octave output power. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.1.5 Test requirement | The sending sensitivity/frequency response shall be within a mask given in table 30.1. The mask can be drawn with straight lines between the breaking points in the table on a logarithmic (frequency) vs linear (dB sensitivity) scale.
All sensitivity levels are dB on an arbitrary scale.
Table 30.1
Frequency (Hz)
Upper Limit (dB)
Lower Limit (dB)
100
‑12
200
0
300
0
‑12
1 000
0
‑6
2 000
4
‑6
3 000
4
‑6
3 400
4
‑9
4 000
0 |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2 Sending loudness rating | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2.1 Definition | The Sending Loudness Rating (SLR) is a means of expressing the sending frequency response based on objective measurements in a way which relates to how a speech signal would be perceived by a listener. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2.2 Conformance requirement | The Sending Loudness Rating (SLR) shall be 8 ± 3 dB.
3GPP TS 03.50; subclause 3.1.1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2.3 Test Purpose | To verify that the Sending Loudness Rating (SLR) is 8 ± 3 dB. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2.4.1 Initial conditions | When measured at the DAI:
- The DAI of the MS is connected to the SS and is set to the operating mode "Test of acoustic devices and A/D & D/A".
When measured at the output of the reference speech decoder of the SS:
- A full rate speech call is set up between the MS and the SS. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2.4.2 Procedure | When measured at the DAI:
a) The sending sensitivity is measured at each of the 14 frequencies given in table 2 of ITU-T P.79, bands 4 to 17.
b) The sensitivity is expressed in terms of dBV/Pa and the SLR is calculated according to ITU-T Recommendation P.79 formula 4.19 b of ITU-T Recommendation P.79, over bands 4 to 17, using the sending weighting factors from ITU-T Recommendation P.79 table 2, adjusted according to table 3 of ITU-T Recommendation P.79.
When measured at the output of the reference speech decoder of the SS:
a) The sending sensitivity from the MRP to the analogue or digital output of the reference speech decoder of the SS is determined according to subclauses 30.1.4.1 and 30.1.4.2.
b) The sensitivity is expressed in terms of dBV/Pa and the SLR shall be calculated according to ITU‑T Recommendation P.79 formula 2.1, over bands 4 to 17, and using m = 0,175 and the sending weighting factors from ITU‑T Recommendation P.79 table 1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.2.5 Test requirement | The SLR shall be 8 ± 3 dB. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3 Receiving sensitivity/frequency response | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3.1 Definition | The receiving sensitivity frequency response is, as a function of the input test signal frequency, the ratio expressed in dB between the output sound pressure in the artificial ear and the input level, represented by the PCM bit stream at the Digital Audio Interface (DAI) or the level at the SS audio input, required to obtain this. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3.2 Conformance requirement | The receiving sensitivity frequency response shall be within the mask given in 3GPP TS 03.50.
3GPP TS 03.50; subclause 3.8.1.2, table 2. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3.3 Test purpose | To verify that the receiving sensitivity frequency response is within the mask given in 3GPP TS 03.50; subclause 3.8.1.2, table 2. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3.4.1 Initial conditions | When measured from the DAI:
a) The handset is mounted in the LRGP and the earpiece is sealed to the knife-edge of the artificial ear.
b) A digital signal generator is connected at the digital interface delivering a signal equivalent to a pure tone level of ‑16 dBm0, see ITU-T Recommendation P.64.
c) The DAI of the MS is connected to the SS and is set to the operating mode "Test of acoustic devices and A/D & D/A".
When measured from the input of the reference speech encoder of the SS:
a) The handset is mounted in the LRGP and the earpiece is sealed to the knife-edge of the artificial ear.
b) A full rate speech call is set up between the MS and the SS.
c) Artificial speech conforming to ITU‑T Recommendation P.50, shall be applied to the analogue or digital input of the reference speech encoder of the SS, at a wideband level of -16 dBm0. This implementation could be a real time algorithm producing the artificial speech or a pre‑recorded tape of the artificial speech.
d) The artificial speech shall comprise of a concatenation of three 10 s intervals of "male" and "female" voice. The first 10 s interval is not used for measurement purposes but allows any echo cancellation devices in the MS to adapt. The second and third 10 s intervals consist of separately "male" and "female" artificial voice. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3.4.2 Procedure | When measured from the DAI:
- Measurements are made at one twelfth-octave intervals as given in the R.40 series of preferred numbers in ISO 3 for frequencies from 100 Hz to 4 kHz inclusive. At each frequency, the sound pressure in the artificial ear is measured by connecting a suitable measuring set to the artificial ear.
When measured from the input of the reference speech encoder of the SS:
- The 1/3 octave filtered long‑term average spectrum of the signal is measured and an average for the "male" and "female" voices is obtained. The receiving sensitivity/frequency response is calculated as the difference between the 1/3 octave input power and the 1/3 octave output power. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.3.5 Test requirement | The receiving sensitivity/frequency response shall be within the mask given by table 30.2. The mask can be drawn with straight lines between the breaking points in the following table on a logarithmic (frequency) vs linear (dB sensitivity) scale.
All sensitivity levels are dB on an arbitrary scale.
Table 30.2
Frequency (Hz)
Upper Limit (dB)
Lower Limit (dB)
100
‑12
200
0
300
2
‑7
500
see note
‑5
1 000
0
‑5
3 000
2
‑5
3 400
2
‑10
4 000
2
NOTE: The limit at intermediate frequencies lies on a straight line drawn between the given values on a log (frequency) vs linear (dB) scale. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.4 Receiving loudness rating | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.4.1 Definition | The Receiving Loudness Rating (RLR) is a means of expressing the receiving frequency response based on objective measurements in a way which relates to how a speech signal would be perceived by a listener. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.4.2 Conformance requirement | 1) The nominal Receiving Loudness Rating (RLR) shall be 2 ± 3 dB.
If a user controlled receive volume control is provided the equipment shall meet this nominal value for at least one setting of the control.
3GPP TS 03.50; subclause 3.1.1.
2) If a user controlled receive volume control is provided the Receive Loudness Rating (RLR) shall not be less than ‑13 dB when the control is set to maximum.
3GPP TS 03.50; subclause 3.1.1. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.4.3 Test purpose | 1) To verify that the nominal Receiving Loudness Rating (RLR) is 2 ± 3 dB.
2) To verify that if a user controlled receive volume control is provided the Receive Loudness Rating (RLR) is not less than ‑13 dB when the control is set to maximum. |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.4.4 Method of test | |
683b5b8a98f7b1390ddd5516ea9247a2 | 51.010-1 | 30.4.4.1 Initial conditions | When measured at the DAI:
- The DAI of the MS is connected to the SS and is set to the operating mode "Test of acoustic devices and A/D & D/A".
When measured at the output of the reference speech decoder of the SS:
- A full rate speech call is set up between the MS and the SS. |
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