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...turn an Android cellphone as SIP to GSM Bridge of Gateway. Traffic from SIP must be translated to GSM channel...Android phone will be acting as a SIP to GSM channel/trunk/GW and other SIP devices can connect and make phone...Linux firmware and documentation for few native SIP > GSM GWs.
This is the first thing which is need
Build a complete Asterisk PBX with Predictive Dialer call center reports and billing
...customers, with call center features predictive dialer integration + billing system.
clients portal for...for reports and billing
clients portal for dialer.
i prefer to custom most things and that depends
We would like you debug and fix our sip trunking setup to work with our providers so that we may use...and our trunks are showing registration from our sip provider, however we are not able to make or receive
Write some Softwa Asterisk bandwidth optimizer for VOIP voice traffic
... GOIP, Cisco, Suncom gateways and any standard sip devices. It will also work with any kind of internet...bandwidth Optimizer system ( up to 80-85 % than usual SIP calls )from Server A to Server B.
...server, with static IP) receiving VoIP calls , with sip protocol, using G711,G729 and/or G723.1 codec and