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3.1.16 STATUS

This message sent is by the user or the network in response to a STATUS ENQUIRY message or at any time during a call to report certain error conditions listed in 5.8. See Table 3-17.

Table 3-17/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

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 1)

(Note 2)

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.