I need server configuration for PBX include chat, you should have previous experience in server configuration.
our application is only android and you should build the server side.
project requrments is:
1. internal voice call
3. group chat
i am only working with exprienced developer in this field
10 pekerja bebas membida secara purata $475 untuk pekerjaan ini
Hello there. I recommend you use openfire(xmpp) for this considering you only need inbound voice calls and chat. Kindly contact me and we can discuss more about the project.