Maintenance Commands and Trouble-Clearing Aids
555-233-123
8-332 Issue 4 May 2002
Field descriptions (status conference, page 2)
Sum Grp
The VD audio Level 1 (L1) and Level 2 (L2) summer group parts for
each assigned group (1-4). Summer parts are assigned only for
conferences with over 6 participants. When a conference operates at
an audio mode of 7 kHz (administered audio mode is 7 kHz, or auto
with the bandwidth greater than 128 kbps), the system allocates
“primary” and “secondary” L1 and L2 summer parts. Primary and
secondary parts are allocated as adjacent port slots on the same
board. Status conferences display primary summer ports. Secondary
summer ports are one slot higher than displayed primary summer
ports.
Join Time
Time (in 24-hour notation) when the channel joins the conference.
Drop Time
Time (in 24-hour notation) when the channel disconnects. If the first
channel has a drop time, the endpoint is inactive. If a drop time
exists without a join time, the call disconnects without joining the
conference.
Drop
Reason
Channel’s disconnect because:
“2-pri” = Administration errors cause mismatches in
primary-secondary designation for cascade linking. This mismatch
indicates that both MCUs are administered as primaries (see
“Cascading” for a description of primary-secondary compatibility).
“2-sec” = Administration errors cause mismatches in
primary-secondary designation for a cascade link. This mismatch
indicates that both MCUs are administered as secondaries (see
“Cascading” for a description of primary-secondary compatibility).
“Agent” = The reservation agent causes the call to disconnect.
“Bandwidth” = A mismatch occurs between a call and the conference
it attempts to join.
“BondHshake” = Information channel parameters are unsupported or
invalid, parameter negotiations terminate out of sequence, timers
expire because secondary channels do not establish, or BONDing
framing is undetected for one of the other channels.
“Busy” = MCU detects that the conferee’s terminal equipment is
busy. This drop reason is detected by ISDN cause values (for
example h0). See “Dial-out” for a description of CPTR usage.
“Chair” = Chair Command Disconnect (CCD) or Chair Command Kill
(CCK) signals disconnects the endpoint.
“Conf End” = The conference ends when it reaches the stop time for
a reserved conference or an active conference converts to file.
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