1. Whitelist PhoneIQ's Global Network: 51.81.54.16 / 29, 216.185.146.184/29, 200.108.216.64/27, 51.89.28.200/29, 40.76.0.0
  2. In conjunction with PhoneIQ's global IP network, if you need to get more specific, then you will need to (at a minimum) open the following UDP ports for registration and phone calls to function:

SIP Signalling Ports: UDP 5060 & 11000
WebRTC Ports: UDP 5065
STUN: 7000
RTP Audio Port Range: UDP 16384-32768
Device Provisioning: HTTP 9090, HTTPS 443

Did this answer your question?