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Yealink T41P
Yealink T21P E2
Minimum Yealink Firmware requirement is: x.60.23.14
The information detailed in this guide is applicable to the firmware version 71 or higher.
The firmware format likes x.x.x.x.rom. The second x from left must be greater than or equal to 71 (e.g., the firmware version of SIP-T28P IP phone: 2.71.0.140.rom)
The solution works for both XCALLY SHUTTLE or MOTION suites.
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