Specifications

31. Protocols
IP Office Matrix - Release 8.1 (2) Page 91
Session Initiated Protocol (SIP)
• RFC 1889 – RTP
• RFC 1890 - RTP Audio
• RFC 4566 – SDP
• RFC 3265 - Event Notification
• RFC 3515 - SIP Refer
• RFC 3842 - Message Waiting
• RFC 3310 – Authentification
• RFC 2976 – INFO
• RFC 3323 - Privacy for SIP (PAI) and draft-ietf-sip-privacy-04 (RPID)
• RFC 3581 - An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing
• RFC 3311 - The Session Initiation Protocol (SIP) UPDATE Method
• RFC 3323 [14] - A Privacy Mechanism for the Session Initiation Protocol (SIP)
• RFC 3489 [18] - STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address
Translators (NATs)
• RFC 3824 [24] - Using E.164 numbers with the Session Initiation Protocol (SIP)
• Rec. E.164 [2] - ITU-T Recommendation E.164: The international public telecommunication
• RFC 2833 [7] - RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
• RFC 3261 [8] - SIP: Session Initiation Protocol
• RFC 3263 [10] - Session Initiation Protocol (SIP): Locating SIP Servers
• RFC 3264 [11] - An Offer/Answer Model with Session Description Protocol (SDP)
• RFC 3325 - Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within
Trusted Networks
VoIP Standards Supported
• Session Initiation Protocol.
• T.38 Fax support (SIP trunks and SIP endpoints).
• RFC 3261 - Session Initiation Protocol (SIP).
• RFC 3489 - STUN.
IP Office supports the following QSIG services across this network:
• Simple Telephony Call/Basic Call: ETS300 171/172.
• Circuit Switched Data Call/Basic Call: ETS300 171/172.
• Called/Calling Line ID Presentation: ETS300 173.
• Called/Calling Name Presentation: (SS-CNIP, SS-CONP, SS-CNIR) ETS300 237/238.
• essage Waiting: (SS-MWI) EN301 260/255.
• Transfer: (SS-CT) ETS 300 260/261.
• RFC 1889 – RTP/RTCP, Real Time and Real Time Control Protocol
• RFC 2507,2508,2509 – Header Compression
• RFC 2474 – DiffServ, Type of Service field configurable.
• RFC 1990 - PPP Fragmentation.
• RFC 1490 - Encapsulation for Frame Relay.
• H.245 (1998), Control protocol for multimedia communication
• H.323 (V2)(1998), Packet-based multimedia communications systems
• Q.931, ISDN user-network interface layer 3 specification for basic call control
• RFC 2686 - Multiclass Extensions to Multilink PPP.
• Audio CODECs:
• G.711 A-law/U-law (64K).
• G.723.1 MP-MLQ (6.3K).
• G.722
• Silence Suppression
• Fax Relay (IP Office to IP Office Fax Transport over IP).
• Local End Echo Cancellation 25ms
• Out of band DTMF
• Jitter buffer, 5 frames of jitter buffer
• Internet Standards/Specification (in addition to TCP/UDP/IP)
• H.225.0 (1998), Call signaling protocols and media stream packetization for packet-based multimedia
communication systems
IP Office supports the following protocols and standards: