Portugal Telecom Inovação has implemented and provides support for the IMS extensions to SIP in the JAIN-SIP-RI (formerly known as NIST-SIP).
Portugal Telecom Inovação is also working in an IMS UA implementation based on SIP-Communicator (named IMS-Communicator) available at http://imscommunicator.berlios.de.
Don't know if this provides any help to your work, but I thought I could point this out...
On 3/1/07, Rodrigo Pimenta Carvalho <firstname.lastname@example.org> wrote:
I´m a beginner with SIP Communicator and I have some very basic questions. I would appreciate any help.
1) Does the SIP-Communicator use the NIST-SIP stack implementation? If yes, answer next questions, please.
2) NIST-SIP stack implements JAIN-SIP-API. The JAIN-SIP-API is opened interfaces exposing SIP functionalities useful for an IT application, for example. Is this statement true? If it is true , answer the next question, please.
3) NIST-SIP is in conformance to the idea of opening network capabilities, via standardized interfaces, for IT developers. Is this statement true?
4) Is the NIST-SIP Jain-SIP a good SIP implementation for using as a SIP stak in an IMS network?? If yes, please answer the following:
5) SIP-Communicator is in conformance to IMS?
6) SIP-Communicator or NIST-SIP uses some idea from Parlay.
Any hint will be very helpful!!
Rodrigo Pimenta Carvalho.
Ps: excuse-me my poor English.