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3.4.3 STATUS

This message is sent by the user or the network at any time during a call to report certain error conditions listed in 5.8. See Table 3-51.

Table 3-51/Q.931

STATUS message content

Message type: STATUS
Significance: local
Direction: both

Information element

Reference
(subclause)

Direction

Type

Length

Protocol discriminator

4.2

Both

M

1

Call reference

4.3

Both

M (Note 1)

2-*

Message type

4.4

Both

M

1

Cause

4.5

Both

M

4-32

Call state

4.5

Both

M

3

Display

4.5

n ® u

O (Note 2)

(Note 3)

NOTES

1This message may be sent with the global call reference defined in 4.3.

2Included if the network provides information that can be presented to the user.

3The minimum length is 2 octets; the maximum length is network dependent and is either 34 or 82 octets.