User`s manual

46 Using Your Phone
Mute/Unmute
Mutes the microphone so the person you are speaking with cannot
hear your voice.
DTMF On/Off
When the phone is connected with other devices or services, you
can send DTMF (Dual Tone Modulation Frequency) strings.
DTMF strings are keypad tones that can be sent via the microphone
as you dial another number. Your phone will emit the tones in
order to communicate with answering machines, pagers,
computerized telephone services, and so forth.
Enter the phone number and then press to send the DTMF
string.
Main Menu
You can access the Phone Book, Call Records, and Messages menu
during a call.
Putting a Call on Hold*
1. When the only call is active:
a. Press (Hold) to hold this call.
b. Press to end this call.
2. When the only call is on hold:
a. Press (Unhold) to resume the call.
b. Press to end this call.
3. When there is an active call and a call on hold.
a. Press (Swap) to resume the call that is on hold, and put
the active call on hold.