Aastra 6730i User Manual page 163

2. Enable the "Display DTMF Digits" field by checking the check box.
Disable this field by unchecking the box). Default is disabled.
3. Click Save Settings.
Model 6730i IP Phone User Guide 157
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299