B-2 Netopia ISDN Modem User’s Guide
Clear Request Issued: Clear request was sent to the switch.
Associated parameter: called directory number.
Disconnect Requested: Disconnect request was sent to the
switch. Associated parameter: called directory number. Secondary
associated parameter: cause code.
ISDN event cause codes
These codes appear as associated (secondary) parameters in some of the ISDN events.
Cause No. 1: unallocated (unassigned number). The destination requested by the calling user cannot be reached because, although the number is in a valid format, it is not currently assigned (allocated).
Cause No. 2: no route to specified transit network. The equipment sending this cause has received a request to route the call through a particular transit network which it does not recognize. The equipment sending this cause does not recognize the transit network either because the transit network does not exist or because that particular network, while it does exist, does not serve the equipment which is sending this cause.
This cause is supported on a
Cause No. 3: no route to destination. The called user cannot be reached because the network through which the call has been routed does not serve the destination.
This cause is supported on a
Cause No. 6: channel unacceptable. The most recently identified channel is not acceptable to the sending entity for use in this call.
Cause No.7: call awarded and being delivered in an established
channel. The user has been awarded the incoming call, and the incoming call is being connected to a channel already established to that user for similar calls (for example,
Cause No. 16: normal call clearing. The call is being cleared because one of the users involved in the call has requested that the call be cleared.
