All you need is data connection or Wifi to connect calls between your mobile phone and web apps.No need to leave the app to share content seamlessly.
Through the best available carrier, you will have a PSTN connection. Flexible SIP Trunking comes with globally available phone number options, pay-as-you-go pricing, and infrastructure fall-over options.
This is a Cost-effective, low-latency, reliable STUN and TURN feature distributed across Asia, Europe, North and South America.