การดู
1:31
IP55 - How to Program Function Keys
5:41
Unify OpenScape Desk Phone IP 55G - Advanced Call Handling
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OpenScape: Screen Fatigue
14:59
OpenScape Oscar - Demo
0:25
Gigaset hidden service menu / reset handset
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Softphone Client Tutorial
1:11
How to pair a Yealink W67P DECT handset to base station
11:56
Blueline - Introduction to the UC Client
