Session Initiation Protocol (SIP) is a protocol developed by the IETF MMUSIC Working Group as an alternative to H.323. SIP features are compliant with IETF RFC 2543, published in March 1999. SIP equips platforms to signal the setup of voice and multimedia calls over IP networks.
Technology Information
Technology Briefs
(All IP Telephony/Voice over IP (VoIP) Technology Briefs)
Technologies Digests
(All IP Telephony/Voice over IP (VoIP) Technologies Digests)
Technology White Paper
(All IP Telephony/Voice over IP (VoIP) Technology White Paper)
(All IP Telephony/Voice over IP (VoIP) Technology Briefs)
Technologies Digests
(All IP Telephony/Voice over IP (VoIP) Technologies Digests)
Technology White Paper
(All IP Telephony/Voice over IP (VoIP) Technology White Paper)
Configure
Configuration Examples and TechNotes
(All IP Telephony/Voice over IP (VoIP) Configuration Examples and TechNotes)
(All IP Telephony/Voice over IP (VoIP) Configuration Guides)
(All IP Telephony/Voice over IP (VoIP) Configuration Examples and TechNotes)
Add Additional Ethernet Interfaces on the PGW Platform
Call Progress Analysis Overview
CUCM to CUBE Integration Configuration Example
CUSP Configuration Example
SIP Phone: Call Failure on Consultation Transfer from Anonymous Callers
SIP Reliable Provisional Response on CUBE and CUCM Configuration Example
SIP-TLS between IOS SIP Gateway and CallManager Configuration Example
Troubleshoot a SIP Call Between Two Endpoints
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation
Configuration GuidesCall Progress Analysis Overview
CUCM to CUBE Integration Configuration Example
CUSP Configuration Example
SIP Phone: Call Failure on Consultation Transfer from Anonymous Callers
SIP Reliable Provisional Response on CUBE and CUCM Configuration Example
SIP-TLS between IOS SIP Gateway and CallManager Configuration Example
Troubleshoot a SIP Call Between Two Endpoints
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation
(All IP Telephony/Voice over IP (VoIP) Configuration Guides)
Maintain and Operate
Troubleshoot and Alerts
Troubleshooting TechNotes
(All IP Telephony/Voice over IP (VoIP) Troubleshooting TechNotes)
(All IP Telephony/Voice over IP (VoIP) Troubleshooting TechNotes)
Call Progress Analysis Overview
Converting a Cisco 7940/7960 CallManager Phone to a SIP Phone and the Reverse Process
Duplicate c= Lines in SDP Cause Intermittent One-way Audio with Various ITSP(s)
Multiservice Voice Debug Lookup
SIP Phone: Call Failure on Consultation Transfer from Anonymous Callers
Toll-Fraud Prevention Feature in IOS Release 15.1(2)T
UCCE SIP Dialer No Dial Tone Issue
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation
Understanding Inbound and Outbound Dial Peers on Cisco IOS Platforms
Waveform Coding Techniques
Converting a Cisco 7940/7960 CallManager Phone to a SIP Phone and the Reverse Process
Duplicate c= Lines in SDP Cause Intermittent One-way Audio with Various ITSP(s)
Multiservice Voice Debug Lookup
SIP Phone: Call Failure on Consultation Transfer from Anonymous Callers
Toll-Fraud Prevention Feature in IOS Release 15.1(2)T
UCCE SIP Dialer No Dial Tone Issue
Understanding Codecs: Complexity, Hardware Support, MOS, and Negotiation
Understanding Inbound and Outbound Dial Peers on Cisco IOS Platforms
Waveform Coding Techniques