We have GSM GW Like Dinstar, Ejoin , SK.
GW have Sims. Each Sims have own number So we have to Dial number local so need to develop some solution where GW connect some dialler and with help of dialler we dial specific number from GW sims.
12 freelancer chào giá trung bình$144 cho công việc này
Hi there, I have experience with Asterisk, Avaya and cisco, also I'm Web Developer with 10+ years experience, let me check your full requirements and your PBX configuration then we can start.
I have some questions in relation to the specifications that you have provided. Could we please have a chat? My Skills: Software Architecture, PHP, Asterisk PBX, Android and VoIP