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Using Your Phone 49
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, Calls, and Messages menus during
a call.
Conference*
Conference calls allow you to converse with more than one party at
a time. The conference menu contains the following options:
The maximum number of parties that can be accommodated
during a conference call depends on the particular service
provided by a network vendor.
Hold/Unhold/Swap*
Toggles the call status.
Join/Private
Adds a party that is on hold to the current conference call, or
isolates a single party in a conference call and puts all other
parties on hold.