Enterasys Networks X-PeditionTM manual Isdn Configuration, Decoded IEs

ISDN Configuration

Table 11-1	Q931 Decoding
Message #		Message Type	IE #	Information Element
0x75		STATUS ENQ	0x7E	User-user
0xFF		UNKNOWN	0x7F	escape for extension

Decoded IEs

Only IEs referring to data calls are supported and decoded by the XSR, as shown in the following examples. Those IEs used for voice calls and supplementary services are not applicable.

•Called party number:

70 Called number N0:2500

•Calling party number:

6C Calling number N0:2800

•Cause:

08 Cause 8090 Normal clearing.

Refer to “ISDN (ITU Standard Q.931) Call Status Cause Codes” on page 11-16for a list of all supported cause codes.

BRI NI-1, DMS100 & 5ESS SPID Registration

For registration purposes, Q931 “dummy” messages (with call reference number 0) are supported, as shown in the following example:

Tx ISDN-BRI 1/0 03:33:39:603 CallRef=Dummy INFO 00 81 00 00 08 00 7B 3A 07 32 38 30 30 35 35 35

3A Service Profile ID 32383030353535 Rx ISDN-BRI 1/0 03:33:39:688 CallRef=Dummy INFO 02 81 00 02 08 00 7B 3B 02 8F B7

3B End Point Identifier 8FB7

Terminal Endpoint Identifier (TEI) Management Procedures

TEI management frames display as UI frames as illustrated in the following examples:

Rx ISDN-BRI 1/0 04:01:16:242 Q921 UI p 0 sapi 63 tei 127 c/r 1 info:0F 00 00 06 FF

#

Tx ISDN-BRI 1/0 04:01:21:091 Q921 UI p 0 sapi 63 tei 127 c/r 0 info:0F 42 56 01 FF

ISDN Configuration

PRI interfaces share the T1/E1 NIM card and all physical configuration values the controller can configure. The pri-groupcommand assigns the channels (DS0s) of the T1/E1 port to ISDN module control. Interfaces are configured one of two ways using the following commands:

• The pri-groupcommand ISDN switching.

XSR User’s Guide 11-9