VOIP: Ports pointers

Tuesday 21 July, 2009 8:54 am | Firewall | Security | sonny

If you plan on using phones or accessing the PBX from remote locations, it’s necessary to forward certain ports back to your PBX. www.portforward.com is a good resource for documentation on how to forward ports on most routers.

The following ports are used by the PBX.

TCP/UDP Port(s) description Used by Remote Phones
UDP 5060 SIP signaling port needed for phones outside your network
UDP 10000-10500 RTP audio ports needed for phones outside your network
Used for accessing the PBX web interface remotely
TCP 80 HTTP port for remote web voicemail access
TCP 443 HTTPS port for remote web admin access
TCP 5222 & 843 SMB Systems Only – ports for using the Switchboard remotely

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