AT&T 9312 - Manual (Page 18)

Intercom Calls
To make an intercom call to the handset:
1 Press
I on the base
— OR —
When already on a phone call, press
H, then I.
2 When the person at the handset answers, speak toward the base.
3 Press
O
when finished.
To answer an intercom call from the handset:
1 The base beeps once and the intercom is open.
2 Speak toward the base to talk with someone at the handset.
3 Press
O
when finished.
Switching from Base Speakerphone to Handset
1 While on a call, press
H on the base.
2 Press the appropriate LINE button on the handset.
TELEPHONE OPERATION
AT THE BASE
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