Yealink SIP-T48G - Manual (Page 151)

Advanced Phone Features
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You can tap the 123 soft key to select the proper input mode.
3. Tap the Save soft key to accept the change or to cancel.
Note
To listen to voice mails:
1. When the phone prompts receiving a new voice mail, press or tap the
Connect soft key to dial out the voice mail access code.
2. Follow the voice prompt to listen to voice mails.
You can tap the icon when the phone is idle to pop up the dialog box, and then
tap the Connect soft key.
Note
Voice mail access code must be predefined on the system server. Contact your system
administrator for the more information.
Before listening to voice mails, make sure the voice mail access code has been
configured.
When all new voice mails are retrieved, the power indicator LED will go out.