ISDN gateways
Call Detail Records File Format Reference Guide Page 14 of 26
connection_proceeding
This event is seen during a call.
Section Name Description
<connection> unique_id The same unique identifier for the connection as
provided in the previous
new_connection event in the
format nnnnnnnn
<call> via_auto_attendant Whether or not the connection was set up via the auto
attendant. Either yes or no
final_called_number
The final called number in the format <ip address:port
no> or a number as generated by the dial plan
isdn_numbers
The subcall number in the format subcall_n where n is
between 1 and 5. The full number is shown for
aggregation calls. For bonding calls, only the final
digits of the number are shown (that is, those numbers
that are different from the master call). There should be
n subcall attributes where n is the number of B-
channels used by the call minus 1. The contents of the
subcall attribute for aggregation calls should be the
subcall number, and for bonding calls should only be
those digits that differ from the main number as
described here.
multiway_call_transfer
This event appears when an H.323 call leg is transferred to a multiway conference.
Section Name Description
<connection> unique_id
The same unique identifier in the format nnnnnnnn
for the connection as provided in the previous
new_connection event
<call> duration How long the transferred connection lasted in
minutes and seconds
duration_in_minutes How long the transferred connection lasted rounded
up to the nearest minute
disconnect_reason A string that specifies the reason why the call was
transferred. Can only be:
call_transferred_to_multiway_destination
<bandwidth> number_of_b_channels An integer that specifies the number of b_channels.
To calculate the total ISDN bandwidth of a call,
multiply the number of b channels by 64 kbps if
restricted=no or by 56 kbps if restricted=yes (see
below)
restricted The restricted state of the call at the time that this
event was produced, as specified in
clause 13/H.242.
The restricted state can change during the course of
a call (although observation suggests that endpoints
are likely to change at most once, as the call is being
set up).
Either yes or no
isdn_bandwidth A value in kbps. For example, 128 kbps
To calculate the ISDN bandwidth of a call, multiply
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