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#114173 07/04/11 09:43 AM
Joined: Dec 2009
Posts: 11
AKZ3BR Offline OP
OP Offline
Joined: Dec 2009
Posts: 11
I have worked on serveral mitel sx50 system with
software version MS55. Just recently I worked on SX50 system with MS51-R1 software, the system works just fine no problems. My question is can someone share with me the difference in software versions and whats difference in an upgrade.Or has there been any problem with this version.

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#114174 07/04/11 01:26 PM
Joined: Dec 2005
Posts: 7,056
RIP Moderator-Mitel, Panasonic
RIP Moderator-Mitel, Panasonic
Joined: Dec 2005
Posts: 7,056
MS 53/54/55 all the same EXCEPT
MS 53 no VM support or digital SS support
MS 54 no digital SS support
MS 55 has both VM and digital SS support.

Digital SS support means SS410/420

Standard SS support means SSIII and SSIV.

MS 50 and 51 and 3504 all had various upgrades to Trunks, ARS, SSIII/IV, Room Status. Too many changes to talk about. If you locate ANY CDE form sets for the early releases, filled out or blank, I'd love to get a set!

If you can lay your hands on an MS55 CD, some of the more important changes are in the bulletins section.

When I was young, I was Liberal. As I aged and wised up, I became Conservative. Now that I'm old, I have settled on Curmudgeon.
#114175 07/04/11 07:14 PM
Joined: Dec 2009
Posts: 11
AKZ3BR Offline OP
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Joined: Dec 2009
Posts: 11
Thanks for the information.

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