Nortel 1120E Administration Manual

Also see for Nortel IP Phone 1120E: User guide Installation and operation User guide Quick reference guide Installation and operation guide

Contents

Nortel 1120E Administration Manual Manual pdf 109 page image

109SIP messages supported by the IPPhone 1120ESIP methodsMethod Supported? CommentsINVITE Yes Mid-call re-invites for media changes also supported.ACK YesBYE YesCANCEL YesOPTIONS Response onlyINFO Yes Optionally used for in-session DTMF signaling, and Nortel callserver specific NAT detectionPING Yes Proxy detection, monitoring and Nortel call server specificfirewall traversalREGISTER Yes For user registrationREFER Yes For transferNOTIFY YesSUBSCRIBE YesPUBLISH Yes For VQMon PublishSIP Firmware Release 1.1 for IP Phone 1120E AdministrationNN43112-300 02.03 Standard27 May 2008Copyright © 2008, Nortel Networks.