AASTRA 6755i User Guide EN - Manual (Page 178)

Additional Features
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41-001386-00 REV01 – 06.2013
Stuttered Dial Tone
You can enable or disable the playing of a stuttered dial tone when there is a message waiting on the IP phone.
You can configure this feature using the Aastra Web UI.
Configuring Stuttered Dial Tone
Use the following procedures to configure stuttered dial tone on the IP phone.
Aastra Web UI
Note:
"Stuttered Dial Tone" is enabled by default.
1. Click on Basic Settings->Preferences->General.
2. The “Stuttered Dial Tone” field is enabled by default. To disable this field, uncheck the box.
3. Click Save Settings to save your settings.