asterisk + Huawei SoftX3000 ( SIP server)

i need help in configure my asterisk box to connect to Huawei SoftX3000 SIP server. i managed to registered to Huawei SoftX3000 but when i make an outgoing call. the remote phone rang, but when the remote party picked up the phone. the line got disconnected. i got the following debug; Aug 31 15:23:53 DEBUG[16339]: channel.c:3380 ast_generic_bridge: Didn't get a frame from channel: SIP/xxxxx-082e96b0 Aug 31 15:23:53 DEBUG[16339]: channel.c:3669 ast_channel_bridge: Bridge stops bridging channels SIP/xxxx-b7a05ad8 and SIP/xxxx-082e96b0 ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Linux