TANDBERG 6000 MXP user manual Channel Status, Cause codes, PRI Red Alarm

TANDBERG 6000 MXP

4.2.2Channel Status

Comprehensive information about the call progress is available through the Channel Status window. This window indicates the various stages each B-channel goes through whilst establishing a connection.

Status -	Comments
BRI
Idle	the channel is idle
Calling	when calling — the network has acknowledged the call
Connected	when connection is established
Sync	when the channels are synchronized
Active	when all available channels are connected
Releasing	waiting for the network to confirm a release of the call
Released	when disconnected - the network has acknowledged the disconnection

Cause codes

The most common cause codes (for ISDN) are:

1

2

16

17

18

21

28

29

31

34

41

58

65

69

81

88

100

102

127

255

Unallocated (unassigned) number

No route to specified transit network (WAN) Normal clearing

User busy

No user responding Call rejected

Invalid number format (incomplete number) Facility rejected

Normal, unspecified

No circuit/channel available Temporary failure

Bearer capability not presently available Bearer service not implemented Requested facility not implemented Invalid call reference value Incompatible destination

Invalid information element contents Recovery on timer expiry Internetworking, unspecified TANDBERG specific. undefined cause code

PRI Red Alarm

Red alarm or Loss of signal (LOS) means that there is no signal and thus no framing info received (this has same effect as pulling out the PRI cable).

102