nexMatrix Host Names and IP addresses

nexMatrix Host Names and IP addresses

nexMatrix SIP trunk service will connect to your IP PBX from one or more of these servers. You may need to whitelist these addresses and/or host names to allow unsolicited inbound traffic from them to your PBX on UDP port 5060 and whatever range of RTP ports your PBX is configured for .  For outbound traffic from your PBX, our servers are expecting SIP signaling packets on port 5060 UDP and RTP media streams in the range of 10000 to 20000 UDP. 

DNS Hostname Primary IP Location Provider
sip10.nexmatrix.net 66.135.42.81 San Antonio Cogeco/Peer 1
sip20.nexmatrix.net 173.234.233.66 New York City LeaseWeb
sip35.nexmatrix.net 162.218.102.99 Billings Parsec Data
sip40.nexmatrix.net 64.34.190.68 Dulles Cogeco/Peer 1
sip50.nexmatrix.net 138.68.57.55 San Francisco Digital Ocean

If you receive Hosted/Cloud PBX service from nexMatrix, your IP Phones will register to one or more of the servers listed here.  In most cases, it is not necessary to forward any ports in your router/firewall, but you may need to add the server address(es) to your firewall white list:

protelity15.nexmatrix.net 173.234.62.226 Chicago LeaseWeb
protelity25.nexmatrix.net 174.34.164.106 Chicago LeaseWeb
protelity45.nexmatrix.net 69.174.246.32 San Antonio Cogeco/Peer1
protelity55.nexmatrix.net 162.218.102.28 Billings Parsec Data



    • Related Articles

    • Local SIP port assignments for IP phones

      Perhaps the most common cause of problems with IP phones is inconsistent signalling communication between the end point (phone) and the PBX.  The symptoms of this include: The phone won't register to its extension account on the PBX. BLF buttons on ...
    • Installation Steps for Ubuntu Server

      The Protel LTS software can be installed onto any bare-bones computer if it meets these minimum hardware requirements: Dual-Core CPU, 64-bit AMD architecture 8 Gb RAM Solid State (recommended) or standard hard drive with a minimum capacity of 50 Gb ...
    • 2/18/2016 Dial-by-name and paging groups on hosted PBX

      Two popular features from our Protel LTS premise PBX products have now been added to the Protelity LTS hosted platform.  Dial-by-name directory and group paging are now active and working. Dial-by-name directory is accessed by assigning a keypress ...
    • Setting up a Grandstream GXW-4104 or 4108 to integrate POTS lines to a Protel PBX

      Protel LTS premise PBX systems are not manufactured with analog telephone ports built in to the PBX I/O, though we do offer built-in PRI capability as an optional add-on.    If you want to connect standard legacy telephone lines (POTS) to a Protel ...
    • How to use the nexMatrix Customer Billing Portal

      If you receive SIP trunk service or hosted PBX services from nexMatrix Telecom, your billing account is accessible through our secure online portal: https://portal.nexmatrix.net/ Your account number is your user name.  If you don't know your account ...