We are looking for development of a SIP dialer for Android, iPhone, Blackberry and symbian platforms. This dialer should have an embded VPN (may be any free VPN system). This dialer should work with our VoipSwitch for balance display and registration. There are few other customized requirements for registration management and payment topups.
Please contact only if you have previously worked on SIP dialers
5 freelancers are bidding on average $516 for this job
Hello Respected Client, I have Read your requirements and we are very experience in this concept. Please check Message Board for more details. Thank you !