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10.8 Customized Alerting Tone (cat) service uid_340029

Resources: S1,C1,C3,C4

References

Document

Title/Contents

WID(s)

SP-070122

S1 WID on Support of Customised Alerting Tone Service

SP-070880

S1 WID on TISPAN Customized Multimedia Information Services (TISCMI-R8)

CP-080496

C1 WID on IMS CAT Supplementary Service

Impacted Specifications

TS 23.014

Support of Dual Tone Multi-Frequency (DTMF) signalling - C1

TS 23.205

Bearer-independent circuit-switched core network - C4

TS 23.231

SIP-I based circuit-switched core network - C4

TS 24.008

Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 - C1

TS 29.002

Mobile Application Part (MAP) specification - C4

TS 29.163

Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks - C3

New Dedicated Specifications/Reports

TS 22.182

Customized Alerting Tone (CAT) requirements; Stage 1 - S1

TS 24.182

IP Multimedia Subsystem (IMS) Customized Alerting Tones (CAT) - C1

Supporting Individual Members: China Mobile, Ericsson, Huawei, NEC, Comverse, Lucent

UID

Name

Resource

Hyperlink

TS_TR

340029

Customized Alerting Tone (CAT) Service

S1,C1,C3,C4

SP-070122

-

370028

Stage 1 for CAT

S1

SP-070122

22.182

370029

TISPAN requirements for customized multimedia information services

S1

SP-070880

22.182

390014

IMS CAT Supplementary Service

C1

CP-080496

24.182

390071

CAT solution for voice and video call in CS domain

C3

CP-080496

29.163

410010

CAT Service in 3GPP CS domain

C4

CP-080445

23.205, 23.231, 29.002

410015

CAT Service in 3GPP CS domain

C1

CP-080445

24.008, 23.014

Stage 1 for CAT (SP-070122):

The Customized Alerting Tone Service (CAT service) is an operator specific service by which an operator enables the subscriber to customize the alerting tone which is played to the calling party. CAT service should not negatively affect the conversation between calling and called parties. The caller can experience favourite songs, multi-media clips or other CAT instead of the traditional ringing tones.

As there are many methods to realize the basic functions of CAT in CS domain and IMS, standardization work was needed especially for roaming and interworking support. Furthermore, more and more additional features of CAT are expected by the subscribers, e.g. a user may be able to easily subscribe to the same alerting tone at the same time as he/she is hearing it by for instance pressing a key.

Following TR 22.982 (Study of Customized Alerting Tone requirements) this work specifies the CAT service in 3GPP.

Multiple domains roaming/interworking and interaction with other services such as IMS based services, Supplementary Services, Charging and User profile have also been specified based on the same study TR 22.982.

TISPAN requirements for customized multimedia information services (SP-070880):

This WID adds in 3GPP TS 22.182 the TISPAN CAT requirements developed by TISPAN for Fixed NGN in WID 1040 for "Customized Terminating Multimedia Information Services", needed to implement the core IMS specification in light of the Common IMS concept.

CT1, CT3 work on IMS CAT Supplementary Service (CP-080496)

Linked work items:

  • 3GPP2 Input to Common IMS

  • UID_380078 Study on the Architecture of IMS based Customized Alerting Tone

During the joint workshop on common IMS in Jan 2008, 3GPP and 3GPP2 agreed on principles to incorporate parts of 3GPP2 MMD/IMS related specifications into 3GPP within the Rel-8 timeframe.

CT1 TS 24.182 and CT3 TS 29.163 specify Stage 3 for IMS CAT Supplementary Service in 3GPP2's X.P0055 (MMD Supplementary Services), the service requirements in TS 22.182 and the recommendations in TR 23.872.

CT4, CT1 work on Support of Customized Alerting Tone (CAT) Service in 3GPP CS domain

Linked work item

  • UID_360031 Study on Customized Alerting Tone (CAT) solution for voice and video call in CS domain

SA1 TS 22.182 specifies the requirements for supporting CAT Service both in CS domain and in IMS domain, and CT4 TR 29.882 has studied providing audio and multimedia customized alerting tone in CS domain (UID_360031).

This work defines essential functional requirement of GMSC Server switch architecture on the network functions and the interfaces impacted by the provision of CAT Service in CS domain:

  • Essential behaviour of the originating VMSC Server to enable both-way through-connect the bearer a multimedia call during the alerting phase.

  • Enhancement on the Nc signalling protocol to support the transport of the calling party UE CAT capability (multiple H.245 call negotiations, transmission of DTMFs during multimedia call through the H.245 UserInputIndication message)

  • Enhancement on the NAS Signalling to enable the calling party UE to indicate its CAT capability

  • Enhancement on the NAS Signalling to enable the originating VMSC Server to indicate the calling party UE start of the multimedia call setup during the alerting phase

  • Enabling the transmission of DTMFs during multimedia call through the H.245 UserInputIndication message for CAT stop and CAT copy

  • ATI from GMSC to HLR-A for retrieval of the calling party UE CAT capability

Impacted specifications CT4 (TS 23.205, TS 23.231, TS 29.002) and CT1 (TS 24.008, TS 23.014).

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