Configuration Reference; Sip And Rtp - Plantronics IP40 Administration Manual

6 Configuration Reference

6.1 SIP and RTP

The IP40 headset adapter needs to register with a SIP registrar successfully before it
can make or receive calls. Administrators using this guide should be familiar with the
basics of SIP operation and terminology. A very short summary of the SIP methods
supported is attached in an appendix to this administration guide.
When the IP40 makes or receives a call, it will try to negotiate a common speech codec,
and then it will exchange media using RTP.
While the IP40 does not have buttons to enable it to initiate call transfer, call
forwarding, call park, or many other traditional PBX features autonomously, the IP40 is
a "good citizen" and can be the passive participant in any of these features initiated by
most other SIP endpoints or via a SIP PBX or SIP ACD.
The configuration for SIP and for RTP options is specified in Voice Settings web page.
5/29/2009 Plantronics IP40 Administration Guide Page 23