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I've been having an issue that has been dogging me for ages, in which my 3300 doesn't respond to reinvite messages from the SIP provider. Specifically, they don't recieve a 200 OK response to their reinvite messages which are sent every hour on the hour, and thus calls are disconnected after one...

Hello, We recently completed upgrading out 3300 from version 8.0.x (not sure exactly which release) Now it is running 9.0.3.15 Since that time, the system has stopped responding to SIP Options requests which are set periodically from the SIP trunk provider to confirm keep alive. Consequently...

I am having an issue setting up an 5215 phoneset with older firmware. Due to the configuration of my network, phones will get IPs on different subnets depending on their physical location. Therefore I always have to manually configure the ICP IP Address on the phoneset whenever deploying it to...

Hello, this is my first post in this forum so please excuse and lapses in etiquette. I am running a Mitel 3300 MXc v. 8.0.9.20 which passes calls to an Asterisk box which provides NATing, and from there to my SIP provider (also using asterisk) I am experiencing a problem with inbound calls...