AT&T Partner II - Manual (Page 100)

Switchhook and Recall
When you are on a call using an MLS- or MLC-model phone, pressing the
switchhook disconnects you from the call. To access Centrex services when you
are on a call, use the Recall feature to execute a timed switch hook flash (see
page 6-12). You can program this feature onto a button on your telephone (see
page 5-16). (Recall disconnects an intercom call.)
Using the Handset,
Speaker, and Microphone
Every MLS-model telephone has a speaker, which you can turn on by pressing
[ Spkr ]. When the green light next to [ Spkr ] is on, the speaker is on.
MLS-34D, MLS-12D, and MLS-12 phones also have microphones. On these
phones, pressing [
Spkr ] turns on both the speaker and the microphone. In
addition, you can turn just the microphone on and off by pressing [ Mic ]. When
the green light next to [
Mic
] is on, the microphone is on.
The call handling instructions in this chapter explain how to use the handset to
make and answer calls. However, if you prefer to dial and conduct calls without
lifting the handset, you can use the speaker and the microphone instead. Use
the following techniques to make calls with the speaker and (if you have one)
the microphone:
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To make a call without lifting the handset, press [ Spkr ] to `get a dial tone;
then dial the number, and you will hear the call ringing. If you have a
microphone, it is turned on automatically when you press [
Spkr ] (if it is not
on already); when the other party answers, you can talk without lifting the
handset. On MLS-6 phones (which have no microphone), lift the handset
to talk when the other party answers.
To turn off the microphone when you are using the speaker, press [ Mic ].
This will mute your voice so that the other party cannot hear you.
If you are already on a call (on an MLS-34D, MLS-12D, or MLS-12 phone),
you can switch from the handset to the speaker and microphone by
pressing [
Spkr ] and hanging up the handset. Conversely, if you are
using the speaker and microphone and want to switch to the handset, lift
the handset and the speaker and microphone will turn off.
Use the Hands-Free Answer on Intercom (HFAI) feature (on an MLS-34D,
MLS-12D, or MLS-12 phone), to answer voice paging calls without lifting
the handset (see Appendix B).
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6-6 Using Telephones