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Mitel Forums => Mitel MiVoice Business/MCD/3300 => Topic started by: CS1KE_MA on December 28, 2011, 08:17:23 PM

Title: MITEL 3300 and Nortel/Avaya CS1000E - SIP connectivity
Post by: CS1KE_MA on December 28, 2011, 08:17:23 PM

Has anyone ever set up SIP trunks between MITEL 3300 and Nortel/Avaya CS1000E?

I can call from MITEL to Nortel phone but not from Nortel to MITEL. MITEL returns the error 404 (not found message) to CS1000E.

Thanks in advance for the help.

Title: Re: MITEL 3300 and Nortel/Avaya CS1000E - SIP connectivity
Post by: v2win on January 26, 2012, 03:02:26 PM

If I had to guess its because the nortel sends the phone context string in the SIP URI phone-context=cdp.udp and the Mitel doesnt know what to do with it.