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SIP termination

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

Functional flow

1) Calls originating will send to Viber gateway

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

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

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

Description of requirements/features: Functional flow

1) Calls originating will send to Viber gateway

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

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

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

Specific technologies required: voip ,asterix or any

Skills: Asterisk PBX, Android, VoIP, Mobile App Development, Java

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About the Employer:
( 0 reviews ) Reading, United Kingdom

Project ID: #23580373

6 freelancers are bidding on average $346 for this job

myappsdevelopers

Hello Project manager I have more than 7 years of experience in Android, Iphone, Mobile Applications,Python , PHP, Ionic ,React native ,Angular JS, WORDPRESS, , HTML5,CSS, Ajax, jquery, JavaScript, Mysql, Graphic Des More

$500 USD in 12 days
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4.3
hsh564cf84accd96

I am writing this proposal in order to work for you in Software and Web Development. We are highly trained professional developers seeking to freelance and earn online. Having a flair in programming and development I More

$30 USD in 7 days
(6 Reviews)
2.8
rvtechsolution

Hi I am Android and iOS APPs expert having 7+ years experience and ready to Build develop a SIP to Viber gateway. . Please share more details. Kindly initiate the chat to discuss further on the same. More

$1000 USD in 20 days
(8 Reviews)
2.9
cooddooc

Hi, When we can talk please schedule a time? I will work till satisfaction of you and do work more perfectly and clearly. Please have a check Website designing and development work work below [login to view URL] More

$140 USD in 7 days
(1 Review)
1.1
motasl

Hi, I have 7 years of experience in this field, I can help to finish this project as soon as possible, Please send me some additional information so that I can start working now, I'm primarily interested in satisfying More

$250 USD in 8 days
(0 Reviews)
0.0
distilledinfo

Hi I am Sonu Full-stack mobile APP developer ready to develop a SIP to Viber gateway. I have strong working experience on - [login to view URL] Application Development: C, C++, Java, Visual Studio, Kotlin, Google SDK, More

$155 USD in 3 days
(3 Reviews)
0.0