RFC 3486:Compressing the Session Initiation Protoc...
RFC-Ref

A - B - C - D - E - F - H - I - L - M - N - O - P - R - S - T - U - W

register

Click on the red underlined text to get to the source

4. Sending a Request to a Server
... receiving incoming requests (even initial INVITEs) compressed is not a problem, since user agents can REGISTER a SIP URI with comp=sigcomp ...

A - B - C - D - E - F - H - I - L - M - N - O - P - R - S - T - U - W

Google
Web
RFC-Ref
RFC-Ref.org
Frontpage
Global Index
RFC
Sister Sites
Chess-Ref.org
Law-Ref.org
InChI.info
Zvon.org