3Com VCX v7111 User Manual page 399

Header Field
Join
Max-Forwards
Messages-Waiting
MIN-SE
Organization
P-Asserted-Identity
P-Preferred-Identity
Priority
Proxy- Authenticate
Proxy- Authorization
Proxy- Require
Prack
Reason
Record- Route
Refer-To
Referred-By
Replaces
Require
Remote-Party-ID
Response- Key
Retry- After
Route
Rseq
Session-Expires
Server
SIP-If-Match
Subject
Supported
Timestamp
®
3Com VCX V7111 VoIP Gateway User Guide
Supported
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
399