[asterisk-dev] Asterisk as voice gw to the IMS world

[George Thanos]

Hi all,

I am involved in an EU project that aims to integrate the SIP signalling 
of Asterisk with the IMS from 3GPP. Asterisk is going to operate as a 
voice gw between ISDN-BRI and IMS-SIP. This is the first step to 
integrate the PSTN world with the IMS world, using Asterisk.

Asterisk will be registered to the IMS (P-CSCF) and operate as a voice 
gw between ISBN-BRI and IMS/SIP, transforming fixed telephony calls to 
the IMS environment.

SIP signalling from IMS is a little bit different from the Asterisk SIP 
stack. 3GPP has defined some extentions to the protocol.

Did anybody work on this in the past? Any help is welcome.

Thanks!

- George