VTech 15200 User Guidance page 22

3. C/INT/MUTE
• Press to mute or unmute the microphone while on
a call.
• Press to return to the previous menu.
• Press to delete digits or characters while using the
dialing keys.
• Press to make an internal call.
4.
• Press to review the redial list when the phone is
not in use.
• Press to increase the listening volume during a call
or message playback.
• Press to scroll up while in a menu, or reviewing the
phonebook, call list or redial list.
• Press to move the cursor to the left while entering
numbers or names in the phonebook.
5.
• Press to review the call list when the phone is not in
use.
• Press to decrease the listening volume during a call
or message playback.
• Press to scroll down while in a menu, or reviewing
the phonebook, call list or redial list.
• Press to move the cursor to the right while entering
numbers or names in the phonebook.