Yealink SIP-T28P User Manual

Also see for Yealink SIP-T28P: User guide Auto provisioning guide User guide User guide User guide

Contents

Yealink SIP-T28P User Manual Manual pdf 146 page image

User Guide for the SIP-T28P IP Phone134How to obtain the MAC address of a phone when the phone is not powered on?Three ways to obtain the MAC address of a phone: You can ask your supplier for the shipping information sheet which includes MACaddresses according to the corresponding PO (Purchase Order). You can find the MAC address on the label of the carton box. You can also find the MAC address from the phone’s bar code on the back of thephone.Why can’t 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 tocheck 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 orheadset to isolate the problem.Why doesn’t the phone ring?Check that the ringer volume on the phone. To adjust the ringer volume setting, pressthe Volume key when the phone is idle. For more information, refer to Volume on page28.Why can’t I receive calls? Check that the SIP registration with your system administrator. Check that the DND (Do Not Disturb) mode is deactivated on the phone. Refer to DoNot Disturb (DND) on page 84. Check that call forward is disabled on the phone. Refer to Call Forward on page 88. Check whether the caller number is stored in the blacklist directory. Refer to Blackliston page 44.Why is my handset not working?Check that the handset cord is fully connected to both the handset jack on the phoneand handset. Refer to Phone Installation on page 11.Why is my headset not working? 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 ModeActivation/Deactivation on page 51.