6
●
Narrowband codec: G.711(A/μ), GSM, G729
●
DTMF: Out-of-band(RFC 2833) and SIP INFO
●
Full-duplex hands-free speakerphone
●
Voice activity detection
●
Acoustic echo cancelling
●
Adaptive jitter buffers
●
Packet loss concealment
4.4 Network and Security Features
●
Session Initiation Protocol, RFC 3261
8. General User Agent behaviour
9. Cancelling a request
10. Registrations
12. Dialogs
13. Initiating a session
14. Modifying an existing session
15. Terminating a session
17. Transactions
18. Transports
22.4 The Digest Authentication Scheme
●
Session Description Protocol, RFC 4566
●
An Offer/Answer Model with the Session Description Protocol (SDP), RFC 3264
●
An Extension to the Session Initiation Protocol (SIP), RFC 3581 (use of rport pa-rameter)
●
Session Initiation Protocol (SIP) INFO Method and Package Framework, RFC 6086
4. The INFO Method
●
The Session Initiation Protocol (SIP) Refer Method, RFC 3515
2. The REFER Method
●
Session Description Protocol (SDP) Security Descriptions for Media Streams, RFC 4568
●
Session Initiation Protocol (SIP)-Specific Event Notification, RFC 3265
●
A Presence Event Package for the Session Initiation Protocol (SIP), RFC 3856
●
Session Initiation Protocol (SIP) Extension for Event State Publication, RFC 3903 (Creation of
PUBLISH requests)
●
SIP/UDP, SIP/TCP, SIP/TLS
●
Session Traversal Utilities for NAT (STUN), RFC 5389 (Basic procedures)
●
RTP: A Transport Protocol for Real-Time Applications, RFC 3550
- 5. RTP Data Transfer Protocol
- 6.4 Sender and Receiver Reports
- 6.5 SDES: Source Description RTCP Packet
- 6.6 BYE: Goodbye RTCP Packet
- 6.7 APP: Application-Defined RTCP Packet
●
RTP Profile for Audio and Video Conference with Minimal Control, RFC 3551
