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S.M.A.R.T. E

XTERNALLY

Call Timeout

The call timeout feature is used to limit the maximum duration of a call. The call timeout can be any

duration between one minute and 4 ½ hours. The duration is set in ½ second increments and the valid

range is from 120 to 32,400. To determine the value associated with a specific time duration, see the

example below.

*37

Data transfer command

<120~32400> Call duration (120 to 32400 ½ seconds) – See example below.

End of string indicator

Example:

To determine what to enter for the call timeout duration, multiply the desired time limit, in minutes, by

120. For example, to determine the call duration entry for a call timeout of five (5) minutes, do the

following:

5 minutes × 120 = 600

To enter a call timeout duration of five (5) minutes, enter the character string *37600#.

When the call timeout duration has been successfully entered, the phone returns a system-generated

DTMF check-digit.

Command:

CHARAC

*37<120~32400>#

*821

*921

*99

d:\standard ioms - current release\42004 instr. manuals\42004-377c.doc

08/06

ADA-C

OWERED

OMPLIANT

Table R-1. Basic Programming Commands

Factory

Description:

Default:

N/A

Write Memory NN (11-13) with characters (up to 24)

Write Call Timeout (120-32400 × ½ sec).

840

Factory default is 840, or 7 minutes.

N/A

Turn on the relay output (OUT1)

N/A

Turn off the relay output (OUT1)

N/A

End programming call. The S.M.A.R.T. phone hangs up.

MERGENCY

HONES

PUB. 42004-377C

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AGE