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Looking for iOS and Android programmers for coding custom SIP/VOIP app program.
If you have pre-packaged libs, even better.
It should have following ability:
- User authentication
- Billing information
- All VOIP/SIP features including Device to Device + Device to PSTN / Mobile.
I will provide with SIP server, but if you can setup and recommend, would be great.
Please no time waters.
I require European Standard.
Please submit your past projects when you Bid.
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