User's Manual

Selecting Functions and options
4140
Call Functions Call Functions
Using the Message Service
Your phone receives an incoming message during
a call. You can read it immediately without
disconnecting the call. You can also send a
message during a call.
1. During a call, press the soft key.
2. Select the Message option and press the
soft key.
The phone enters the
Message menu. For
details about using the message service, see
page 56.
Sending DTMF Tones
Each time you press the keys, your phone sends
out DTMF (Dual Tone Multi-Frequency) which are
set at the factory. DTMF tones are required to
use electronic phone services, such as bank-by-
phone or voicemail.
If you do not want to annoy the other person by
DTMF tones when pressing the keys during a
call, take the following steps to mute them:
1. During a call, press the soft key.
2. Press the or key to scroll to DTMF Off.
3. Press the soft key.
To reactivate your DTMF tones:
1. During a call, press the soft key.
2. Press the or key to scroll to DTMF On.
3. Press the soft key.