Sdp And Call Hold; Transport Layer Protocols; Sip Security Authentication - Nortel 1120E Administration Manual

o---Owner or creator and session identifier
s---Session name
t---Time description
c---Connection information
m---Media name and transport address
a---Media attribute lines

SDP and Call Hold

The IP Phone 1120E can support sending and receiving of hold using the
method specified by RFC2543 and RFC3261/3264.

Transport layer protocols

Protocol
Unicast UDP
Multicast UDP
TCP

SIP security authentication

Authentication
Digest Authentication
Proxy-to-User Authentication
User-to-User Authentication
Copyright © 2008, Nortel Networks
.
Supported?
Yes
Yes
No
SIP Firmware Release 1.1 for IP Phone 1120E Administration
NN43112-300 02.03 Standard
Yes
Yes
Yes
Yes
Yes
Yes
Supported?
Yes
No
No
Comments
The IP Phone 1120E responds
to a 401, but never challenges
incoming requests with a 401
response.
27 May 2008
SIP security authentication 119