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Send DTMF Tones (Menu 9.4.8)
You can send the DTMF (dual tone
multi-frequency) tones of the number
on the display during a call.
This option is helpful for entering a
password or account number when
you call an automated system, like a
banking service.
Hearing Aid (Menu 9.4.9)
If you select On, users having hearing
aid with T-Coil will have better quality
of sound. This TCoil mode will remain
On for all calls.
Security Menu 9.5
Various codes and passwords are
used to protect the features of your
phone. They are described in the
following sections (see page 19)
Lock Handset (Menu 9.5.1)
You can use a security code to avoid
unauthorized use of the phone.
If you set your phone in the Lock
When Power is On mode, the phone
will request a security code whenever
you switch the phone on. If you set
the phone lock to When SmartChip
Changed, your phone will request a
security code only when you change
your SmartChip. If you set the phone
lock to Immediately, your phone will
lock immediately.
CP150 AT&T_ENG_080909 1904.3.30 2:49 AM ˘ ` 69