Understanding ISDN

+ Next line: 04 Bearer capability 8890

18 Channel Id. 81

6C Calling number N0:2800

70 Called number N0:2500

The succeeding section lists all message types and IEs the XSR displays. All unsupported message types and IEs are marked UNKNOWN or IE not Found.

Table 11-1 Q931 Decoding

Message #

Message Type

IE #

Information Element

 

 

 

 

0x00

NATIONAL

0xA1

Sending complete

 

 

 

 

0x01

ALERT

0xA0

More Data

 

 

 

 

0x02

CALL PROC

0x04

Bearer capability

 

 

 

 

0x07

CONNECT

0x08

Cause

 

 

 

 

0x0f

CONNECT ACK

0x10

Call identity

 

 

 

 

0x03

PROGRESS

0x14

Call state

 

 

 

 

0x05

SETUP

0x18

Channel Id.

 

 

 

 

0x0d

SETUP ACK

0x1C

Facility

 

 

 

 

0x23

MODIFY

0x1E

Progress indicator

 

 

 

 

0x2f

MODIFY COMP

0x20

Net specific facility

 

 

 

 

0x23

MODIFY REJ

0x27

Notification indicator

 

 

 

 

0x26

RESUME

0x28

Display

 

 

 

 

0x2e

RESUME ACK

0x29

Date/time

 

 

 

 

0x22

RESUME REJ

0x2C

Keypad facility

 

 

 

 

0x25

SUSPEND

0x34

Signal

 

 

 

 

0x2d

SUSPEND ACK

0x36

Switch hook

 

 

 

 

0x21

SUSPEND REJ

0x38

Feature activation

 

 

 

 

0x20

USER INFO

0x39

Feature indication

 

 

 

 

0x45

DISCONNECT

0x40

Information rate

 

 

 

 

0x4d

RELEASE

0x42

End-to-end transit delay

 

 

 

 

0x5a

RELEASE COMPL

0x6C

Calling number

 

 

 

 

0x46

RESTART

0x6D

Calling subaddress

 

 

 

 

0x4e

RESTART ACK

0x70

Called number

 

 

 

 

0x60

SEGMENT

0x71

Called subaddress

 

 

 

 

0x79

CONGESTION

0x74

Redirecting number

 

 

 

 

0x7b

INFO

0x78

Transit Network

 

 

 

 

0x62

FACILITY

0x79

Restart indicator

 

 

 

 

0x6e

NOTIFY

0x7C

Low layer compatibility

 

 

 

 

0x7d

STATUS

0x7D

High layer compatibility

 

 

 

 

11-8 Configuring Integrated Services Digital Network

Page 272
Image 272
Enterasys Networks X-PeditionTM manual + Next line 04 Bearer capability, Status