To register and deregister an AT&T compatible DECT 6.0 cordless
headset (AT&T model TL7600) to the SynJ SB67138 telephone
base, please refer to the page 11-12. To view the TL7600 manual,
visit our website at www.telephones.att.com, or call
1 (888) 915-2007. In Canada, dial 1 (866) 288-4268.
Cordless headset extension number
The cordless headset is always assigned extension number 0 regardless of
how many handsets are registered.
By pressing the ON/OFF button on the cordless headset, you can
see the extension
0
icon on the telephone base screen.
Switch between corded or cordless handset, telephone speakerphone and
cordless headset
Use the following instructions to switch between the telephone base
components (corded handset, speakerphone, corded headset and cordless
headset). You must use the intercom system (page 49) to switch between the
base and the cordless handsets.
To switch from corded handset, corded headset, or speakerphone to
cordless headset:
During a call, press the ON/OFF button on the cordless headset.
To switch from cordless headset to corded handset, or corded headset,
or speakerphone:
During a call, lift the corded handset, or press HEADSET, or
press SPEAKER on the telephone base.
Cordless headset
Cordless headset operation
80
Line1 00:00:05
0
ON/OFF
button
HEADSET
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