App Project

  • Status Completed
  • Budget $3000 - $5000 USD
  • Total Bids 9

Project Description


I have a project to develop Android apps to bridge voice from SIP to GSM,

below the requirement and flow


1. Support all Android phone and all android version

2. SIP must support standard sip pbx or sip proxy. example Asterisk or


3. Option to support SIP TLS

4. Support Wifi and 3G internet


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


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



1. Deliver the source code and installation apps

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