Sid Management; Dtmf Tone - NEC 920 Owner's Manual

Standard
This allows the phone to first search for a free channel
in the Home system. If the phone cannot find a free
channel, it searches the other system.
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The ROAM indicator is displayed when the phone is using a
system other than your home system. The roam systems
your phone accesses can be specified through the use of
system identification management, referred to as SID
management. SID Management is described below.
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SID MANAGEMENT

The SID Management feature lets the phone operate only
within specifically identified (Preferred) systems. The service
provider can enter up to thirty (30) preferred System ID
numbers that identify the systems that you want your phone
to access.
Programming of your System ID numbers is accomplished
by your service provider and is only associated with NAM1.

DTMF TONE

The DTMF Tone generator has two settings, Standard and
Long. If the DTMF Tone generator is set to Standard, the
phone sends each DTMF signaling tone for 100 milli-
seconds. With the DTMF Tone generator set to Long, the
phone sends each DTMF signaling tone for as long as the
key is pressed, up to 3 seconds maximum.
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