We need to develop a SIP to Viber/Whatsapp gateway. The gateway should be able to pass voice calls incoming over SIP and forward them through Viber/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 Viber/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 Viber/whatsapp gateway

2) Viber/whatsapp gateway converts the sip/iax signal to viber/whatsup protocol

3) the termination number carried from the origination header will be checked by the Viber/whatsup gateway , if the number is used by Viber/whatsapp and if the number is online, the call will terminated on Viber/whatsapp!.

4) if the number is not used in VIber it sends 503 error and rerouted to other gateways .

Compétences : VoIP

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Concernant l'employeur :
( 1 commentaire ) London, United Kingdom

Nº du projet : #17520537

3 freelance font une offre moyenne de $703 pour ce travail


Hello There . Let ME justify what I actually have perceive Last week we have worked the similar project about viber whatsapp sip gateway and i can surely help you also .. And this type of labor I actually have do Plus

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We are a web developing and designing company with various other facilities such as web content and digital marketing related to all types of specializations. Additional considerations and implementations are assisted Plus

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Work Experience: - NUBAR Trading Company as a VoIP Engineer (1/11/2016) For 1 Month. - FX Stations Company as an IT Engineer (1/1/2017) For 1 Month. - Domain Company as Maintenance Engineer (21/5/201 Plus

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