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Network and Phones

IP Addresses & Ports

Last updated on 21 Oct, 2025

IP Address Ranges

As a general rule, you will not need to do anything with these IP addresses, because the provisioning servers will take care of SIP Device configuration. We will provide you with domain names that will resolve to these servers as necessary.

 

In certain situations, however, it may be necessary to allow these ports in your customer's firewall. We recommend utilizing the subnet ranges, as there may be more than one server on one Geo Node that can serve the same function. The following are subnet ranges and IP addresses that are in use by our systems:

 

    70.42.44.0/24- New Jersey

    75.98.50.0/24- Dallas

    216.24.144.0/24- Las Vegas

    199.21.246.224/27- Minneapolis

    50.112.101.114,54.245.113.67,52.32.130.83, 75.101.128.37- Instant Fax Servers

 

New IPs for failover

 

    70.42.69.0/24- New Jersey

    66.150.215.0/24- Dallas

    209.170.195.0/24- Las Vegas

Port Ranges

The following protocols and ports are used by our systems:                                                            

 Protocol     Port/s

 TCP            80, 443               Web UI's and provisioning servers

 TCP            80, 442, 443      Instant Fax server

 UDP           5060                  SIP signaling

 UDP           8889                  Web Meetings and Video Conferences

 UDP           17000-35999   RTP

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