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User Guide for the SIP-T48G IP Phone
146
You can also find the MAC address from the phone’s bar code on the back of the
phone.
Why cant I get a dial tone?
Check for any loose connections and that the phone has been installed properly.
For the installation instructions, refer to Phone Installation on page 11.
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 doesnt 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 31.
Why cant I receive calls?
Check the SIP registration with your system administrator.
Check that DND (Do Not Disturb) mode is deactivated on your phone. Refer to Do
Not Disturb (DND) on page 99.
Check that call forward is disabled on the phone. Refer to Call Forward on page
104.
Check whether the caller number is stored in the blacklist directory. Refer to Blacklist
on page 51.
Why does my handset not work?
Check that the handset cord is fully connected to both the handset jack on the phone
and handset. Refer to Phone Installation on page 11.
Why does my headset not work?
Check that the headset cord is fully connected to the headset jack on the phone.
Refer to Phone Installation on page 11.
Check that the headset mode is activated. Refer to Headset Use on page 59.
Check that the headset volume is adjusted to an appropriate level. Refer to Volume
on page 31.
What is the difference between user name, register name and display name?
Both user name and register name are defined by the server. A user name is used to
identify the account while a register name matched with a password is used for
156


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Others manual(s) of Yealink SIP-T48G

Yealink SIP-T48G User Manual - English - 253 pages

Yealink SIP-T48G User Manual - German - 23 pages

Yealink SIP-T48G User Manual - German - 20 pages

Yealink SIP-T48G Quick start guide - German - 7 pages

Yealink SIP-T48G Installation Guide - Dutch - 19 pages

Yealink SIP-T48G Quick start guide - Dutch - 4 pages

Yealink SIP-T48G Quick start guide - Dutch - 9 pages

Yealink SIP-T48G User Manual - Dutch - 6 pages


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