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Reviews around status (5.00 of 5)
Yealink SIP-T21P E2 Entry Level IP Phone with PoE, Backlight
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BLF buttons let you monitor the status of other extensions (green = available, red = busy), and make 1 button transfers, rather than using complicated feature (*) codes.
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Then I called our Voip phone service company and they tried to make it work as they told me that POE might work without power the cord
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