User`s manual

User's Manual 1. Overview
Version 2.2 19 July 2007
Working with Redirect server and handling 3xx responses.
Early media (supporting 183 Session Progress).
PRACK reliable provisional responses (RFC 3262).
Call Hold and Transfer Supplementary services using REFER.
Supports RFC 3581, Symmetric Response Routing.
Supports network asserted identity (RFC 3325 and RFC 3323).
RFC 2833 relay for Dual Tone Multi Frequency (DTMF) digits, including payload type
negotiation.
SIP URL: sip:”phone number”@IP address (such as 122@10.1.2.4, where “122” is the
phone number of the source or destination phone number) or
sip:”phone_number”@”domain name”, such as 122@myproxy.com. Note that the SIP
URI host name can be configured differently per called number.
Can negotiate coder from a list of given coders.
Supported coders:
G.711 A-law 64 kbps (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
G.711 µ-law 64 kbps (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
G.723.1 5.3, 6.3 kbps (30, 60, 90, 120, 150 msec)
G.726 32 kbps (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
G.729A 8 kbps (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
CLEARMODE 64 kbps (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
For more updated information on the gateway’s supported features, refer to the latest
MediaPack SIP Release Notes.