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Grandstream HT503 User Manual User Manual

Page 30

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FIRMWARE VERSION 1.0.14.1

HT503 USER MANUAL

Page 28 of 64

Flash/Hook

Toggles between active call and incoming call (call waiting tone). If not in conversation, flash/hook

will switch to a new channel for a new call.

#

Pressing pound sign will server as Re-Dial key.

This manual is related to the following products:
See also other documents in the category Grandstream Communication: