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T55A - change firmware from Teams to SIP
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jolouis Offline
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Post: #6
RE: T55A - change firmware from Teams to SIP
Notice that the T55 is the only phone in the Yealink lineup that is explicitly listed only under the Teams heading. All other T5X and even the 4X phones show up as both Teams/SFB and SIP versions. So I suspect the T55 was developed as a prototype of Teams only or for some Teams specific reason and you may not have a generic SIP firmware for it. Only way to know for sure is to open a ticket with Yealink and see.

Honestly responsiblity for that falls on whomever was your supplier/vendor who recommended the T55 with the Teams solution. Personally I would have checked for SIP compatibility BEFORE making any commitment to hardware, as MS products have had a long history of flopping/failing/not living up to expectations/being too expensive/etc and the ability to roll back to a standard SIP solution should have been an absolute requirement before committing to purchase...
07-19-2019 06:55 PM
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RE: T55A - change firmware from Teams to SIP - jolouis - 07-19-2019 06:55 PM

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