ESI ESI-100 Programming Manual - Page 20

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ESI Communications Servers Programming Manual

Function 142: Automatic time setting

1: Synchronize with Caller ID

This function, when enabled, synchronizes the real-time clock with Caller ID (CID) messaging: call

processing compares the time of a CID message to the system real-time clock and, if the difference is

more than two minutes, resets the real-time clock to match the time (minutes) of the CID message. The

system will analyze each such message (or — if it receives more than four calls with CID information

within a one-minute period — as is needed). Select ENABLE or DISABLE by pressing a scroll key (either

). Choosing ENABLE will allow the CID data to update the time and date.

Default: Disabled.

Esi-Link-related notes (see also "Function 83: Esi-Link programming," pages M.9–M.10):

If "synchronize with Caller ID" is enabled, Esi-Link time synchronization (from location 700)

will be disabled.

If "synchronize with Caller ID" is disabled, Esi-Link time synchronization will be allowed (minutes only).

When Esi-Link is used, all cabinets' time will be synchronized by cabinet 700, unless "synchronize

with Caller ID" is enabled in Function 142.

2: Adjust for Daylight Saving Time

This function, when enabled, causes the real-time clock to adjust itself automatically for Daylight Saving

Time (DST). Select AUTO or DISABLE for DST by pressing a scroll key (either

DISABLE is best for those areas that don't observe DST.

Default: Disabled.

Note: If this function is enabled and it causes an automatic time change, the system won't update the real-

time clock from either Caller ID messages (Function 1421, above) or Esi-Link time synchronization

for 25 hours before and 25 hours after the time change is due to be effective (i.e., 2:00

Function 143: Clock adjustment

This function lets the Installer or Administrator have the system automatically compensate for a clock that's

running too fast or too slow. The clock adjustment speeds up or slows down the clock over a 30-day period by

the amount selected. If the system clock is running slow, select a positive value. If the clock is running fast,

select a negative value.

Range: -2 to +5.5 minutes. Default: 0.

Example: If the clock is running two minutes fast over a month, select -2 (minus two minutes).

Does not work with PRI.

E.2

Function 1: System parameters

). Choosing

Sunday).