Hi, Thank you for posting the project
We specialise in VoIP, Asterisk/Freeswitch, Kamailio/Opensip, and WebRTC and have extensive experience spanning over 14+ years, as you can see in our profile. We have used webrtc extensively for a variety of projects and have incorporated VoIP to make calls to landlines and mobile devices from the browser.
Below is the list and brief detail of some of our previous work.
• Inbound/Outbound call centre setup, development
• Sending voice mail as an attachment to user email.
• PBX Phone System with features like Call Forwarding, Call Transfer, Call Waiting, Call Park, and many more.
• Calling card setup with all features like pinless dialling, speed dial etc.
• Made Customized IVRs for calling cards in various languages.
• Auto Dialer/Predictive Dialer
• FAX send/receive and integration
• Click Call functionality
• Broadcasting with an agents transfer option for call centre solution.
• CRM integration like vTiger, Mercury and others.
• Customized real-time billing with features like active calls, real-time call billing, provider management, rate card etc.
• Server load balancing, High Availability, 24*7 Support
• 3rd Party APIs integration like Twillio, Nexmo, Bandwidth and others.
We can discuss in detail the requirement and work.