This how-to article explains how to use your Cisco desk phone and provides a detailed description of the phone's functions. There are also instructions on how to log into your voicemail for the first time and how to configure your voicemail through your browser.
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Feel free to download this guide for easy reference.
How to Reset a Forgotten Voicemail Password
If you have previously set up, but forgotten your voicemail password, you will need to submit a Tririga support request to have that password reset for you.
The CSG helpdesk is not able to reset voicemail passwords.