If Polycom, Snom, and others work with MWI then if Aastra is following RFC spec then theirs should to.
The only way you would know is to get a trace of both a Polycom and an Aastra SUBSCRIBEing to the server and see what the differences are in the signalling. Going line by line through the SIP stuff is the only way to figure out where the issue lies. On Mon, Aug 6, 2012 at 6:49 PM, Mark Dutton <[email protected]>wrote: > > > Michael that is not very helpful. > > Aastra are going to say "contact your software developer". > > I have used Aastra handsets on Asterisk open source as well > as Zultys and Epygi commercial PBXs with perfect results. > The problem is not with Aastra. > -- > Regards > > Mark Dutton > > _______________________________________________ > sipx-users mailing list > [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- Josh Patten eZuce Solutions Architect O.978-296-1005 X2050 M.979-574-5699 http://www.ezuce.com
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