TS 24.528
TISPAN; Common Basic Communication procedures;
Protocol specification
V8.3.0 (PDF)
2012/12 52 p.
- Rapporteur:
- Mr. Leis, Peter
full Table of Contents for TS 24.528 Word version: 8.3.0
1 Scope Word‑p. 6
2 References Word‑p. 6
2.1 Normative references Word‑p. 6
2.2 Informative references Word‑p. 7
3 Definitions and abbreviations Word‑p. 7
3.1 Definitions Word‑p. 7
3.2 Abbreviations Word‑p. 8
4 Common basic communication procedures Word‑p. 8
4.1 Introduction Word‑p. 8
4.2 Announcement Word‑p. 9
4.2.1 General Word‑p. 9
4.2.2 Providing announcements to a user during the establishment of a communication session Word‑p. 9
4.2.3 Providing announcements to a user during an established communication session Word‑p. 9
4.2.4 Communication request rejected by AS Word‑p. 9
4.2.5 Providing announcements to a user during the release of a communication session Word‑p. 9
4.3 Alternative ring tone Word‑p. 10
4.4 Network Determined User Busy (NDUB) Word‑p. 10
4.4a Special REFER request handling procedures Word‑p. 10
4.5 Operational requirements Word‑p. 11
4.5.1 Provision/withdrawn Word‑p. 11
4.5.2 Requirements on the originating network side Word‑p. 11
4.5.3 Requirements on the terminating network side Word‑p. 11
4.6 Coding requirements Word‑p. 11
4.7 Signalling procedures Word‑p. 11
4.7.1 Activation, deactivation and registration Word‑p. 11
4.7.2 Invocation and operation Word‑p. 12
4.7.2.1 Actions at the originating UE Word‑p. 12
4.7.2.2 Actions at the originating P-CSCF Word‑p. 12
4.7.2.3 Actions at the S-CSCF serving the originating user Word‑p. 12
4.7.2.4 Actions at the incoming I-CSCF Word‑p. 12
4.7.2.5 Actions at the outgoing IBCF Word‑p. 12
4.7.2.6 Actions at the incoming IBCF Word‑p. 12
4.7.2.7 Actions at the destination P-CSCF Word‑p. 12
4.7.2.8 Actions at the S-CSCF serving the terminating UE Word‑p. 12
4.7.2.9 Actions at the AS Word‑p. 13
4.7.2.9.1 Providing announcements during an established communication session Word‑p. 13
4.7.2.9.2 Providing announcements during the establishment of a communication session Word‑p. 13
4.7.2.9.3 Providing announcements when communication request is rejected by the AS Word‑p. 13
4.7.2.9.4 Providing alternative ring tone during the establishment of a communication session Word‑p. 13
4.7.2.9.5 Early dialog procedures at the AS Word‑p. 13
4.7.2.9.6 Providing announcements during the release of a communication session Word‑p. 13
4.7.2.9.7 Starting special REFER handling procedures at the AS of the initiator of the REFER request Word‑p. 14
4.7.2.10 Action at the terminating UE Word‑p. 15
4.8 Interactions with other networks Word‑p. 16
4.8.1 Interaction with PSTN/ISDN Word‑p. 16
4.8.2 Interworking with PSTN/ISDN Emulation Word‑p. 16
4.8.3 Interaction with external IP network Word‑p. 16
4.9 Signalling flows Word‑p. 16
4.10 Parameter values (timers) Word‑p. 17
A Signalling flows for announcements Word‑p. 18
A.1 Providing announcements to a user during the establishment of a communication session Word‑p. 18
A.1.1 Providing in-band announcement Word‑p. 18
A.1.2 Including Alert-Info header field in the 180 (Ringing) response Word‑p. 21
A.1.3 Announcements provided by the PSTN/ISDN Word‑p. 22
A.1.4 Announcement provided towards a user connected to the PSTN/ISDN Word‑p. 24
A.2 Providing announcements to a user during an established communication Word‑p. 25
A.2.1 Scenario 1: UE - AS - UE Word‑p. 25
A.2.2 Scenario 2: UE - AS/MRFC/MRFP - UE Word‑p. 27
A.3 Communication request rejected Word‑p. 28
A.3.1 Sending the announcement as in-band information Word‑p. 28
A.3.1.1 Using early media Word‑p. 28
A.3.1.2 Using an established session Word‑p. 30
A.3.2 Including an Error-Info header field in a 3xx, 4xx, 5xx and 6xx response Word‑p. 32
A.3.3 Announcements provided by the PSTN/ISDN Word‑p. 34
A.3.4 Announcement provided to a user connected to the PSTN/ISDN Word‑p. 34
A.4 Providing announcements to a user during the release of a communication session Word‑p. 34
A.4.1 Scenario 1: UE - AS - UE Word‑p. 35
A.4.2 Scenario 2: UE - AS/MRFC/MRFP - UE Word‑p. 37
B Signalling flows for Network Determined User Busy (NDUB) Word‑p. 38
B.1 Basic call with UE busy with T-AS involvement (NDUB condition check) Word‑p. 38
B.2 Busy condition (NDUB) detected by terminating AS Word‑p. 39
C (Normative) Void
D (Normative) Application Server (AS) establishing multiple dialogs with originating UE Word‑p. 42
D.1 General Word‑p. 42
E Signalling flows for 3rd party call control Word‑p. 43
F Bibliography Word‑p. 49
$ Change history Word‑p. 50
