Create a webrtc application which can call users even if they are offline using their phone numbers. This should use sip trunking, PSTN or VOIP
16 freelancers are bidding on average $561 for this job
Hi,dear. I am a senior software developer. I am familiar with PSTN/VoIP/SIP. I have just checked your project description, I am able to complete this project. I am looking forward to your response. Thanks.
Hi, I am a VoIP expert and Asterisk PBX specialist with 6 years of experience. I am also a IT engineer with 7 years of experience. I can setup the VoIP platform you want (client and server).
Hi, Dear. Thanks for posting this job. I am very interested in your proposal. Because I have rich experience in this area. Please message me to discuss further. Thanks and Best!!!
Hi Currently I am working on a similar app. It's basically a what'sapp type app with voice and video calling using webrtc and socket.io. I can develop your app as well exactly like you want