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Android apps to bridge voice from SIP to GSM

This project was awarded to pierretrudeau1 for $2214 USD.

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Project Budget
$1500 - $3000 USD
Total Bids
18
Project Description

Hi,
I have a project to develop Android apps to bridge voice from SIP to GSM, below the requirement and flow

Requirement
1. Support all Android phone and all android version
2. SIP must support standard sip pbx or sip proxy. example Asterisk or VoipSwitch
3. Option to support SIP TLS
4. Support Wifi and 3G internet

apps
1. Android using SIP can register to SIP PBX or SIP proxy using Wifi or 3G
2. SIP PBX/Proxy send call to android phone and android phone will send call to GSM

flow
1. SIP PBX/Proxy ->(via internet Wifi or 3G) -> Android Phone -> GSM Network

Delivery

1. Deliver the source code and installation apps

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