Nortel 1120E Administration Manual page 116

116 SIP messages supported by the IP Phone 1120E
Alert-Info
Allow
Allow-Events
Authentication-Info
Authorization
Call-Id
Call-Info
Contact
Content-Disposition
Content-Encoding
Content-Length
Content-Type
Cseq
Date
Expires
Error-Info
Max-Forwards
Mime-Version
Organization
P-Access-Network-Info
Copyright © 2008, Nortel Networks
.
SIP Firmware Release 1.1 for IP Phone 1120E Administration
NN43112-300 02.03 Standard
27 May 2008
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes