1. Whitelist PhoneIQ's Global Network: / 29,,,,,,

  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

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