/ IP Phone User Guide 31Additional FeaturesUsing Voicemail1. Press x on the phone todisplay the Services menu.2. Select "Voicemail".3. Use the r and s to scrollthrough the line items in theVoicemail list.4. When you have selected a lineitem, press the d/f handsfreekey, 4 Scroll Right key, or pressa line softkey to make an outgo-ing call using the voicemailaccess phone number associ-ated with the line for which thevoicemail account is registered.From a selected item in theVoicemail list, you can also liftthe handset (go offhook) tomake an outgoing call using thevoicemail access phone number.Suppressing DTMF PlaybackA feature on the IP phones allowsyou to enable or disable thesuppression of DTMF playbackwhen a number is dialed from thesoftkeys.When suppression of DTMFplayback is disabled, and you pressa softkey, the IP phone dials thestored number and displays eachdigit as dialed in the LCD window.When the suppression of DTMFplayback is enabled, the IP phonedials the stored number anddisplays the entire numberimmediately in the LCD window,allowing the call to be dialed faster.DTMF playback suppression isdisabled by default. SuppressingDTMF playback can be configuredusing the Aastra Web UI.Configuring Suppression ofDTMF PlaybackUse the following procedure toconfigure suppression of DTMFplayback.1. Click on Basic Settings->Preferences.2. Go to the "General" section.3. Enable the "Suppress DTMFPlayback" field by checking thecheck box. (Disable this field byunchecking the box). Default isdisabled.4. Click to save your set-tings. These changes are notdynamic. You must restart yourIP phone for the changes to takeaffect.5. Click on Operation->Reset.6. In the "Restart Phone" fieldclick to restart the IPphone and apply the changes.IP Phone UIAastra Web UI