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RE: (ASCEND) caller-id on POTS port of new P75
> > Also, we need to get a bridisplay of the setup message to determine if we
> > are getting time and date.
>
> Here is bridis output. I called my second b channel from another phone,
The setup message is made up of a header and a series of "Information
elements". Each information element has an identifier and format. In
particular, you are looking for "Date/time", whose information element
identifier code is 29 (hex). A quick search of your bridisplay messages
does not show a "29", so it is fairly certain that the switch is not
including the time and date.
4.5.15 Date/time
The purpose of the Date/time information element is to provide the date and
time to the user. It indicates the point in time when the message has been
generated by the network.
NOTE - It is a network dependent matter whether the time indicated is local
time or Coordinated Universal Time (UTC) and which calendar is used for
referencing the date.
The Date/time information element is coded as shown in Figure 4-21.
Bits
8 7 6 5 4 3 2 1 Octets
0 0 1 0 1 0 0 1 1 Date/time Information element identifier
Length of date/time contents 2
Year 3
Month 4
Day 5
Hour 6*
Minute 7*
Second 8*
NOTE - Octets 3-8 are binary coded (bit 1 being the least significant bit).
FIGURE 4-21/Q.931
Date/time information element
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