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Yealink Forums » IP Phone Series » T4x Series » t40 and t21

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t40 and t21
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centraltelecoms Offline
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t40 and t21
I am trying to block all outgoing calls on my yealink t40 and t21, and only allow the phone to call 2 pre-set numbers.

How is this possible?
08-16-2016 11:14 AM
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t40 and t21 - centraltelecoms - 08-16-2016 11:14 AM
RE: t40 and t21 - Chris708 - 08-16-2016, 10:12 PM
RE: t40 and t21 - centraltelecoms - 08-17-2016, 07:41 AM

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