Hello,
We need to develop a SIP to Whatsapp gateway. The gateway should be able to pass voice calls incoming over SIP and forward them through WhatsApp to complete the call to the called party number. The development platform/operating system is not important. The project should be completed either by using the Linux/Windows WhatsApp executables, or by using the Android / Windows Phone mobile versions of the application, no matters on the version number. The implementation should return the correct call error codes to the SIP backend, i.e. CALL SUCCESS, BUSY, UNAVAILABLE, etc. For a successful project, we'll select the one, triggering successfully continuous SIP/Viber calls.
Functional flow
1) Calls originating will send to WhatsApp gateway
2) whatsapp gateway converts the sip/iax signal to whatsapp protocol
3) the termination number carried from the origination header will be checked by the Viber gateway , if the number is used by whatsapp and if the number is online, the call will terminated on whatsapp!.
4) if the number is not used in whatsapp it sends 503 error and rerouted to other gateways
Hi, I saw that you need help with Mobile App Development, C Programming, Asterisk PBX, Android and VoIP. I have 9 years of experience working on these frameworks. I believe I can help you with it. I would request you to have a look at my porfolio, customer feedbacks from my profile. If you find me worthy of doing your job. Please start the chat and lets discuss it. Regards
Awais
So you need a middle-ware over Whatsapp from which all the calls will pass & redirected chosen ones to app? I have got you covered.
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Let's discuss your project in detail. We will finalize price after discussion. Thank you
Best Regards,
Kazim Qazi