Appendix A SIP Compliance with RFC-2543 Information

SIP Session Description Protocol (SDP) Usage

Header Field

Supported?

Server

No

 

 

Subject

No

 

 

Timestamp

Yes

 

 

To

Yes

 

 

Unsupported

Yes

 

 

User-Agent

Yes

 

 

Via

Yes

 

 

Warning

Yes

 

 

WWW-Authenticate

Yes

 

 

SIP Session Description Protocol (SDP) Usage

SDP Headers

Supported?

 

 

v—Protocol version

Yes

 

 

o—Owner/creator and session

Yes

identifier

 

 

 

a—Session name

Yes

 

 

c—Connection information

Yes

 

 

m—Media name and transport

Yes

address

 

 

 

 

Cisco SIP IP Phone 7960 Administrator Guide

A-12

78-10497-02

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Cisco Systems IP phone 7960 manual SIP Session Description Protocol SDP Usage, SDP Headers Supported?