【資料名稱】：One_Voice_Profile

【資料作者】：AT&T, Orange, Telefonica, TeliaSonera,

【資料日期】：2009

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

Contents
Foreword.............................................................................................................................................................5
1 Scope ........................................................................................................................................................6
2 References ................................................................................................................................................6
3 Definitions and abbreviations...................................................................................................................8
3.1 Definitions ......................................................................................................................................................... 8
3.2 Abbreviations..................................................................................................................................................... 9
4 General introduction...............................................................................................................................10
4.1 The One Voice Profile ..................................................................................................................................... 10
4.2 Relationship to the existing standards.............................................................................................................. 11
4.2.1 3GPP Specifications................................................................................................................................... 11
5 IMS feature set .......................................................................................................................................11
5.1 General............................................................................................................................................................. 11
5.2 Support of generic IMS functions.................................................................................................................... 11
5.2.1 SIP Registration Procedures....................................................................................................................... 11
5.2.2 Authentication ............................................................................................................................................ 11
5.2.3 Addressing ................................................................................................................................................. 12
5.2.4 Call establishment and termination ............................................................................................................ 12
5.2.5 Forking ....................................................................................................................................................... 12
5.2.6 Tracing of Signalling.................................................................................................................................. 12
5.2.7 The use of Signalling Compression............................................................................................................ 13
5.3 Supplementary services ................................................................................................................................... 13
5.3.1 Supplementary services overview.............................................................................................................. 13
5.3.2 Supplementary Service Configuration ....................................................................................................... 14
5.3.3 Ad-Hoc Multi Party Conference ................................................................................................................ 14
5.3.4 Communication Waiting ............................................................................................................................ 15
5.3.5 Message Waiting Indication....................................................................................................................... 15
5.3.6 Originating Identification Restriction ........................................................................................................ 15
5.3.7 Terminating Identification Restriction ....................................................................................................... 15
5.3.8 Communication Diversion ......................................................................................................................... 15
5.3.9 Communication Barring............................................................................................................................. 16
5.4 Call set-up considerations ................................................................................................................................ 16
5.4.1 SIP Precondition Considerations................................................................................................................ 16
5.4.2 Integration of resource management and SIP............................................................................................. 16
5.4.2.1 Loss of PDN connectivity..................................................................................................................... 16
5.4.2.2 Loss of SIP signaling bearer ................................................................................................................. 17
5.4.2.3 Loss of media bearer and Radio Connection ........................................................................................ 17
5.4.3 Voice Media Considerations ...................................................................................................................... 17
5.4.4 Multimedia Considerations ........................................................................................................................ 17
5.5 SMS over IP..................................................................................................................................................... 18
6 IMS media..............................................................................................................................................18
6.1 General............................................................................................................................................................. 18
6.2 Voice Media..................................................................................................................................................... 18
6.2.1 Codecs ........................................................................................................................................................ 18
6.2.2 RTP Profile and SDP Considerations......................................................................................................... 19
6.2.2.1 RTP Profile ................................................................................................................................................ 19
6.2.2.2 SDP Offer Considerations .......................................................................................................................... 19
6.2.2.3 SDP Answer Considerations ...................................................................................................................... 19
6.2.3 Data Transport............................................................................................................................................ 19
6.2.4 RTCP Usage............................................................................................................................................... 19
6.2.5 AMR Payload Format Considerations ....................................................................................................... 20
6.2.6 Jitter Buffer Management Considerations.................................................................................................. 21
6.2.7 Front end handling ..................................................................................................................................... 21