User Guide for the SIP-T48S IP Phone
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Mute a Call
To mute a call:
1. Press during an active call.
The mute key LED illuminates solid red. The touch screen indicates that the call is now
muted.
To un-mute a call:
1. Press again to un-mute the call.
The mute key LED goes out.
Mute While Dialing
To mute the microphone while dialing:
1. Press on the pre-dialing, dialing or calling screen.
The mute key LED illuminates solid red. The call is muted automatically when setting up
successfully.
To un-mute the microphone while dialing:
1. Press again on the pre-dialing, dialing or calling screen.
Note
Keep Mute
If keep mute is enabled, you can mute the microphone on any screen. The phone stays in the
mute state until you un-mute the microphone or until the phone restarts. This feature should be
pre-configured by your system administrator.
You can also mute the microphone when the IP phone is ringing.
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General
Weight and Dimensions
