This forum includes tips for maintaining the best audio quality possible with the Ooma System. If your Ooma system is having issues with dropped calls, static audio or echo, look here for assistance.
#25525 by Davesworld
Sun Oct 11, 2009 1:36 am
In case anyone wants to know about the various ports used by ooma and what they are actually used for. I figured I'd make a list from IANA. Any deviation from these ports for their intended use SHOULD NOT be used and I doubt ooma deviates from their intended use as listed below where possible.

domain 53/tcp Domain Name Server
domain 53/udp Domain Name Server

ntp 123/udp Network Time Protocol

https 443/tcp http protocol over TLS/SSL

syslog 514/udp Remote Syslog Server

openvpn 1194/udp OpenVPN

gprs-sig 3386/udp GPRS SIG

plethora 3480/udp Secure Virtual Workspace

various 10000 to 20000 Multiple large ranges of unassigned ports Per IANA and many assigned ones, thousands of them!

For More Info: http://www.iana.org/assignments/port-numbers

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