Message type: DISCONNECT
Significance: local
Direction: both

Information element

Reference
(subclause)

Direction

Type

Length

Protocol discriminator

4.2

Both

M

1

Call reference

4.3

Both

M

2-*

Message type

4.4

Both

M

1

Cause

4.5

Both

M

4-32

Display

4.5

n ® u

O (Note 1)

(Note 2)

User-user

4.5

u ® n

O (Note 3)

(Note 4)

NOTES

1. Included if the network provides information that can be presented to the user.

2. The minimum length is 2 octets; the maximum length is network dependent and is either 34 or 82 octets.

3. May be sent if the access connection has not yet reached the active state. However, user-user information is not sent after the access connection has reached the active state since X.25 procedures would be used for this information transfer.

4. The minimum length is 2 octets; the standard default maximum length is 131 octets.