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Mitel MiVoice Business/MCD/3300 / Re: aastra 6730i phone will not transfer or set up conf call correctly on mitel 3300
« on: December 16, 2021, 07:34:33 AM »Doesn't sound like a COS issue. If you can, grab a Wireshark trace from the set first and take a look at the SIP headers to see if that tells you why the calls are being dropped. You're probably going to have to play around with the options in either SDP Options or the Signalling and Header Manipulation tabs of the SIP Device Capabilities profile until you get it right.
And how can be 6730i be traced through Wireshark? Can you help?)