I have 11 years of experience in voip and mobile technoligies, from that 6 years of voip.
Asterisk, Opensips, SIP, IAX, Zap, WebRTC
Call center based on Asterisk,
$5 USD / hour
3 freelancers are bidding on average $7/hour for this job
Greetings from Girnarsoft!
Thank you for posting the project. Have gone through your requirements and would like to work on this.
I would like to update you that I have been working on the similar requiMore