User Guide

User Guide for the T48G Skype for Business phone
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 Switch between the Handset, Headset (if present) or Hands-Free Speakerphone to check
whether the dial tone is present for one of the audio modes.
If the dial tone exists on another audio mode, connect a different handset or headset to
isolate the problem.
Why doesn’t the phone ring?
Check the ringer volume on the phone. To adjust the ringer volume setting, press the Volume
key when the phone is on-hook and idle. For more information, refer to Volume on page 61.
Why can’t I receive calls?
 Check that whether your status is DND mode, if it is, you should reset status. Refer to
Changing Presence Status on page 26.
 Check that whether call forward is disabled on the phone. Refer to Call Forward on page
136.
Why doesn’t my handset work?
 Check that the headset cord is fully connected to the headset jack on the phone. Refer to
Phone Installation on page 14.
 Check that the headset volume is adjusted to an appropriate level. Refer to Volume on
page 61.
Why does the phone play a tone when there is a call on hold? How to disable it?
When there is a call on hold, the phone will play a hold tone every 30 seconds. Call hold tone is
enabled by default. Call hold tone and the interval of playing a hold tone are configurable via
web user interface only.
To configure call hold tone and call hold tone delay via web user interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Play Hold Tone.