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Implementing the Time of Day Clock Synchronization feature
Using Avaya Site Administration to set up a TOD
synchronization schedule
This method for TOD clock synchronization, which applies to certain Avaya switch
platforms, uses the Avaya Site Administration tool (release R1.10 or later) installed on a
client PC to set up a synchronization task schedule.
In the recommended configuration, Avaya Site Administration is installed on the client PC
along with NTP or SNTP software. The client PC is also connected to an Internet Time
Server that it polls continuously to obtain UTC time for its system clock. The client clock
time is then used to synchronize the clock time of switches on the network through the
Avaya Site Administration Time Synchronization feature.
This method applies to the following switch systems:
DEFINITY G3csi
Avaya DEFINITY Server CSI
DEFINITY G3si
Avaya DEFINITY Server SI
DEFINITY G3r
Avaya DEFINITY Server R
On applicable switch platforms that are installed with R10 or earlier, the synchronization
command is ignored if the minute time specified for the incoming time is the same as that
currently being counted at the switch. Consequently, this synchronization method is only
accurate to within 59 seconds or less on switch platforms that are installed with R10 or
earlier.
On applicable switch platforms that are installed with R11 or later, if the minute time
specified for the incoming synchronization command is the same as that being counted at
the switch, the minute count on the switch is set back to the 0-second mark for the minute.
When potential network delays are factored in, this method is accurate to within 5 seconds
or less for switch platforms that are R11 or later.
Prerequisites, procedures, considerations and an example scenario that describes how to
design a TOD synchronization schedule using Avaya Site Administration are described in
the following sections:
Prerequisites
Things to know before you set up a synchronization schedule
Designing a TOD clock synchronization schedule
354 Communication Manager Guide to ACD Call Centers
on page 355
on page 355
on page 358
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