hash stringlengths 32 32 | doc_id stringlengths 7 13 | section stringlengths 3 121 | content stringlengths 0 2.2M |
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ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6 Anonymous Communication Rejection (ACR) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6.1 Definition | The Anonymous Communications Rejection (ACR) simulation service allows the terminating party to reject incoming communications from originating parties that cannot be identified. The requirements for ACR shall be as described in TS 181 005 [1]. This service description is based on the service description described in E... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6.2.1 Identification Services | 8.2.6.2.1.1 Originating Identification Presentation (OIP) No impact, i.e. neither simulation service shall affect the operation of the other simulation service. 8.2.6.2.1.2 Originating Identification Restriction (OIR) If the terminating party has activated the ACR simulation service, then the OIR simulation service cau... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6.2.2 Diversion Services | NOTE: The precedence that ACR takes over the communication diversion services does not exclude the use of forwarding functionality in the ACR functionality itself. As an example: forwarding of anonymous communications (e.g. to a voice mailbox), as part of the ACR functionality is possible. If the diverted-to user has a... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6.2.3 Communication Waiting (CW) | If the terminating party has activated the ACR simulation service, then the ACR simulation service shall take precedence over the Communication Waiting simulation service. The ACR simulation service can be activated while a communication is waiting without changing the state of the waiting communication session. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6.2.4 Completion of Communications to Busy Subscriber (CCBS) | NOTE 1: A CCBS recall (from the network to the originating party) resulting from the completion of communications to busy subscribers should not be rejected due to the application of the ACR simulation service. Assuming the originating party connects to the terminating party and the terminating party activates the ACR ... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.2.6.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the ACR services with PSTN/ISDN Supplementary Service ACR and vice-versa. The scope of this interworking may result in a limited service capability. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3 Recommended services | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1 Communication DIVersion (CDIV) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.1 Definition | The following Communication DIVersion simulation services are defined: • Communication Forwarding Unconditional (CFU). • Communication Forwarding Busy (CFB). • Communication Forwarding No Reply (CFNR). • Communication Forwarding on Not Logged in (CFNL). • Communication Deflection (CD). • Communication Forwarding on Sub... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.1 Identification services | 8.3.1.2.1.1 Originating Identification Presentation (OIP) When a communication has been diverted and the diverted-to party has been provided with the originating identification presentation simulation service, the diverted-to party shall receive the identity of the originating party, if this originating party has not s... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.2 Malicious Communication IDentification (MCID) | See clause 8.2.5.2.1. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.3 Anonymous Communication Rejection (ACR) | See clause 8.2.6.2.2. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.4 Diversion services | 8.3.1.2.4.1 Communication Forwarding Unconditional (CFU) Communication Forwarding Unconditional (CFU): Not applicable. Communication Forwarding Busy (CFB): Invocation of the communication forwarding unconditional simulation service shall take precedence over the CFB simulation service. Communication Forwarding No Reply... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.5 Communication Waiting (CW) | Communication Forwarding Unconditional (CFU): CW has no impact on CFU. The communication will be forwarded without regard to the terminating party's state. A forwarded-to party may have communication waiting service and this will be activated if busy. A forwarded communication can result in the communication waiting si... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.6 Communication Barring (CB) | 8.3.1.2.6.1 Outgoing communication barring-fixed If the outgoing communication barring-fixed simulation service has already been activated, a request to activate any CDIV simulation service shall be rejected if the forwarding party's communication to the diverted-to party would be barred by the outgoing communication b... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.7 Completion of Communications to Busy Subscriber (CCBS) | CCBS recalls shall never be diverted. They shall be provided to the original originating party. CCBS can not be activated on a diverted communication. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.2.8 Advice Of Charge (AOC) | 8.3.1.2.8.1 Charging information at the End of the communication (AOC-E) Originating party: No impact, i.e. neither simulation service shall affect the operation of the other simulation service. Forwarding party: When a communication is forwarded and the forwarding party is charged for the forwarded part of the communi... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.1.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the CDIV service with PSTN/ISDN Supplementary Service CF and vice-versa. The scope of this interworking may result in a limited service capability. The CLI information of the originating party as well as further CLI information (first redirected address, last redirected add... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.2 Communication Waiting (CW) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.2.1 Definition | The Communication Waiting (CW) service enables a terminating party to be informed at the time that a new communication is requested, and that no resources are available for that incoming communication. The user has then the choice of accepting, rejecting or ignoring the incoming communication. The maximum number of com... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.2.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.2.2.1 Anonymous Communication Rejection (ACR) | If the terminating party has activated the ACR simulation service, then the ACR simulation service shall take precedence over the Communication Waiting simulation service. The ACR simulation service can be activated while a communication is waiting without changing the state of the waiting communication session. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.2.2.2 Diversion services | The interactions between Communication Waiting and Communication Diversion services are described in clause 8.3.1.2.5 of the present document. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.2.2.3 Completion of Communications to Busy Subscriber (CCBS) | If a subscriber to the completion of communications to busy subscriber simulation service places a communication to a terminating party who has subscribed to the CW simulation service, and the terminating party is provided the communication waiting indication, then invocation of completion of communications to busy sub... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.2.3 Interoperability with PSTN/ISDN | No special requirement. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.3 Communication HOLD (HOLD) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.3.1 Definition | The communication HOLD simulation service enables a user to suspend media within a session, and resume that media at a later time. Each party in a communication can hold and retrieve the communication independently from the other party. This also applies when a communication involves more than two parties (e.g. CONF). ... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.3.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.3.2.1 CONFerence (CONF) | A, B and C are in a conference that was created by B invoking the CONF service. B can interrupt their own participation in the conference by using the HOLD service. When B does this, A and C shall not receive the HOLD notification and are not prevented from carrying on their conversation |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.3.2.2 Three-Party (3PTY) | See clause 8.3.3.2.1, noting that 3PTY is a special case of CONF. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.3.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the HOLD service with PSTN/ISDN Supplementary Service HOLD and vice-versa. The scope of this interworking may result in a limited service capability. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.4 Communication Barring (CB) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.4.1 Definition | The group of Communication Restriction Services includes two simulation services: • Outgoing Communications Barring (OCB). This service allows a user to bar certain categories of outgoing communications. The network shall provide the capability for a user to select a set of categories (e.g. identities or range of ident... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.4.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.4.2.1 Diversion services | 8.3.4.2.1.1 Communication Forwarding Unconditional (CFU) If the OCB simulation service has already been activated, a request to activate the communication forwarding unconditional simulation service shall be rejected if the user's communication to the forwarded-to user would be barred by the OCB simulation service at t... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.4.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the CB service with PSTN/ISDN Supplementary Service CB and vice-versa. The scope of this interworking may result in a limited service capability. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5 Completion of Communications to Busy Subscriber (CCBS) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.1 Definition | The CCBS simulation service enables originating party, encountering a busy terminating party, to have the communication completed without having to make a new communication attempt when the terminating party becomes free. When originating party requests the CCBS simulation service, the network will monitor for terminat... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.1 Identification services | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.2 Anonymous Communication Rejection (ACR) | A CCBS recall (from the network to the originating party) resulting from the completion of communications to busy subscribers shall not be rejected due to the application of the ACR simulation service. Assume the originating party connects to the terminating party and the terminating party activates the ACR simulation ... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.3 Communication DIVersion (CDIV) | CCBS recalls shall never be diverted. They shall be provided to the original originating party. CCBS can not be activated on a diverted communication. ETSI ETSI TS 181 002 V2.2.5 (2007-11) 32 |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.4 Communication Waiting (CW) | NOTE: For a waiting communication, terminating party is not considered as busy. If the Communication Waiting indication cannot be provided at the terminating party, originating party will receive busy indication and can invoke the CCBS simulation service to terminating party. CCBS requests in the terminating party's CC... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.5 Communication HOLD (HOLD) | No impact, i.e. neither simulation service shall affect the operation of the other simulation service. NOTE 1: When receiving a CCBS communication indication, originating party may invoke the communication hold simulation service in order to make interface resources available for the establishment of the CCBS communica... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.6 Communication Barring (CB) | The originating party calls the terminating party who is busy, and then the originating party invokes CCBS. If the originating party then invokes OCB before the terminating party becomes free, the CCBS communication may be rejected due to the OCB invocation. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.7 Completion of Communications to Busy Subscriber (CCBS) | A user can be both an "originating party" and a "terminating party" simultaneously, i.e. that user can have activated the CCBS simulation service and have CCBS requests outstanding whilst at the same time that user can be the destination of CCBS requests from other users. If a user receives a CCBS recall while that ter... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.2.8 Advice Of Charge services (AOC) | Charging information can be provided for the original communication, and for the resulting CCBS communication. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.5.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the CCBS service with PSTN/ISDN Supplementary Service CCBS and vice-versa. The scope of this interworking may result in a limited service capability. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.6 Message Waiting Indication (MWI) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.6.1 Definition | The MWI simulation service enables the network, upon the request of a controlling user to indicate to the receiving user, that there is at least one message waiting. The indication is sent to the receiving user when a message is deposited. Optionally, the network may send an indication to the user that there are no mor... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.6.2 Service interactions with other services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.6.2.1 Diversion services | 8.3.6.2.1.1 Communication Forwarding Unconditional (CFU) The MWI shall never be diverted. 8.3.6.2.1.2 Communication Forwarding Busy (CFB) Same as CFU. 8.3.6.2.1.3 Communication Forwarding No Reply (CFNR) Same as CFU. 8.3.6.2.1.4 Communication Forwarding on Not Logged-in (CFNL) The MWI shall never be diverted. The indic... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.3.6.3 Interoperability with PSTN/ISDN | There is no interoperability with PSTN/ISDN because MWI is a local service. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4 Optional services | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1 CONFerence (CONF) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.1 Definition | The CONF simulation service enables a user to participate in and control a simultaneous communication involving a number of users. When the CONF simulation service is invoked, conference resources are allocated to the served user. Once a conference is active, users can join and leave a conference, and remote users can ... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.2.1 Diversion services | No impact, i.e. neither simulation service shall affect the operation of the other simulation service. ETSI ETSI TS 181 002 V2.2.5 (2007-11) 34 |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.2.2 CONFerence (CONF) | A user can be involved as the conference controller separately in more than one conference. However, the user cannot add any conference to another conference. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.2.3 Advice Of Charge services (AOC) | No impact, i.e. neither simulation service shall affect the operation of the other simulation service. Communication diversion. NOTE: Every communication within the CONF service may be charged according to the normal communication procedures. Special arrangements (e.g. conference initiator may be charged for other part... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.2.4 Originating Identification Restriction (OIR) | The OIR service shall take precedence as required in TS 181 005 [1] clause 4.3.2.1.1. NOTE: A conference participant joining with an active OIR therefore has no details that can be included in any conference notifications. 8.4.1.2.5 Terminating Identification Restriction (TIR) The TIR service shall take precedence as r... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.2.6 Three-Party (3PTY) | See clause 8.4.1.2.2, noting that 3PTY is a special case of CONF. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.1.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the CONF service with PSTN/ISDN Supplementary Service CONF and vice-versa. The scope of this interworking may result in a limited service capability. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.2 Advice Of Charge (AOC) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.2.1 Definition | AOC is a group of simulation services as follows: • Advice Of Charge: charging information at communication Set-up time (AOC-S). The advice of charge at communication set-up simulation service provides the user with information about the charging rates at the time of communication establishment or during the communicat... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.2.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.2.2.1 Diversion services | Originating party: No impact, i.e. neither simulation service shall affect the operation of the other simulation service. Forwarding party: When a communication is forwarded and the forwarding party is charged for the forwarded part of the communication, then as a network option, the charging information can be transfe... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.2.2.2 Completion of Communications to Busy Subscriber (CCBS) | Charging information shall be provided for the original communication, and for the resulting CCBS communication. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.2.2.3 CONFerence (CONF) | No impact, i.e. neither simulation service shall affect the operation of the other simulation service. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.2.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the AOC service with PSTN/ISDN Supplementary Services and vice-versa. The scope of this interworking may result in a limited service capability. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3 Explicit Communication Transfer (ECT) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.1 Definition | The ECT simulation service enables a transferring party A to transform two of that party's communications (e.g. an active communication and a communication on hold, to parties B and C), each of which can be an incoming communication or an outgoing communication, into a new communication between party B and party C. Pri... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.2.1 Identification services | 8.4.3.2.1.1 Terminating Identification Restriction (TIR) A terminating party's restriction requirements from the original communication shall be used in order to restrict the presentation of that party's identity to the other user in a transferred communication. NOTE: If the media flow(s) is established on the communic... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.2.2 Communication Barring (CB) | In case the transferring party A has outgoing communication barring active towards party C, transferring party As request for communication transfer of party B to party C shall also be barred, if it occurs in relation to the establishment of the communication to C. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.2.3 CONFerence (CONF) | The conference controller cannot transfer the conference to another party. NOTE: Conferees can invoke the ECT simulation service in order to transfer their connection to the conference to another party after that connection has been established. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.2.4 Advice Of Charge (AOC) | 8.4.3.2.4.1 Advice Of Charge at communication Set-up (AOC-S) When party A transfers a communication, AOC-S shall be considered as completed. For party B and party C, no impact, i.e. neither simulation service shall affect the operation of the other simulation service. 8.4.3.2.4.2 Advice Of Charge During the communicati... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.2.5 Explicit Communication Transfer (ECT) | The ECT simulation service can be invoked simultaneously by any of the parties on an active communication, but this is not regarded as a normal situation. The network shall not explicitly prevent this occurring. Therefore, both parties (party A and party B) in a normal communication, who have each subscribed to the ECT... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.3.3 Interoperability with PSTN/ISDN | No restrictions. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.4 Reverse charging | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.4.1 Definition | The reverse charging at communication set up time simulation service allows the terminating party to be charged for the entire communication. Only usage based charges can be applied to the terminating party. The service shall be requested by the originating party at communication set up time. The terminating party must... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.4.2 Service interactions with other PSTN/ISDN simulation services (NGN) | None. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.4.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of Reverse Charging with the PSTN/ISDN and vice-versa. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5 Closed User Group (CUG) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.1 Definition | The CUG simulation service enables users to form groups of members, whose communication profile is restricted for incoming and outgoing communications. Members of a specific CUG can communicate among themselves but not, in general, with users outside the group. Specific CUG members can have additional capabilities that... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2 Service interactions with other PSTN/ISDN simulation services (NGN) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.1 Diversion services | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.1.1 Communication Forwarding Unconditional (CFU) | CUG restrictions shall be checked and met for the communication between the originating party and the forwarding party. The information of a CUG applied by the NGN on the original communication shall be used for the communication forwarding and by this means CUG restrictions shall be checked and met for the communicati... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.1.3 Call Forwarding No Reply (CFNR) | See interactions with CFU 8.4.7.2.1.1. NOTE: CUG restrictions were checked and met for the communication between the originating party and the forwarding party when the communication was offered to the forwarding party. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.1.4 Communication Forwarding on Not Logged-in (CFNL) | See interactions with CFU 8.4.7.2.1.1. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.1.5 Communication Forwarding on Subscriber Not Reachable (CFNRc). | See interactions with CFU 8.4.7.2.1.1. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.1.6 Communication Deflection (CD) | The information of a CUG applied by the NGN on the original communication shall be used for the deflected part of the communication and by this means CUG restrictions shall be checked and met for the communication between the originating party and the deflected-to party. In the case of multiple deflections, CUG restric... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.2 Explicit Communication Transfer (ECT) | The two communications shall use the same CUG for the transfer to be successful. NOTE: CUG restrictions between users will have been checked when the first communication is established. Similarly, CUG restrictions between users will have been checked when establishing the second communication. 8.4.5.2.3 Three-Party (3P... |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.2.4 CONFerence (CONF) | When the communication involving the first conferee is added to the conference, then the conference shall assume the CUG of that communication. In order to add a subsequent communication to the conference, then the CUG of that communication shall be checked against the CUG of the conference. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.5.3 Interoperability with PSTN/ISDN | The NGN shall support the interoperability of the CUG service with the PSTN/ISDN and vice versa. No restrictions. |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.6 Three-Party (3PTY) | |
ae3dfca740c8c62772d38184c6500f19 | 181 002 | 8.4.6.1 Definition | The 3PTY simulation service enables a user to establish, participate in and control a simultaneous communication involving a number of users. The 3PTY simulation service can be invoked by the served user who is involved in at least two calls (one active communication and at least one held communication), each of which ... |
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