
ISDN gateways
Call Detail Records File Format Reference Guide Page 15 of 26
Section Name Description
the number of b channels by 64 kbps if restricted=no
or by 56 kbps if restricted=yes.
downspeeded Whether or not the connection was downspeeded.
Either yes or no
<h323_endpoint_details> ip_address The endpoint’s IP address
dn
Either <none> or the IP endpoint's E.164 number
h323_alias The IP endpoint’s configured endpoint name
Section Name Description
<media_from_isdn>
and
<media_to_isdn>
video_codec The last non-null video codec at the time that this
event was created (unless the codec was always null
in which case this parameter is also null).
One of:
Null
H.261
H.263
H.264
audio_codec The last non-null audio codec at the time that this
event was created (unless the codec was always null
in which case this parameter is also null).
One of:
Null
G.711
G.722
G.728
G.722.1 Annex C
connection_finished
This event is seen when a call completes or is terminated.
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 connection lasted in minutes and
seconds
duration_in_minutes How long the connection lasted rounded up to the
nearest minute
disconnect_reason A string specifying the reason why the participant
was disconnected. One of:
unspecified
no answer
rejected
rejected immediately
busy
gatekeeper error
protocol error
destination unreachable
participant ended call
participant dropped
gatekeeper ended call
all participants dropped
destination out of order
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