3.3.12

3.3.12 STATUS ENQUIRY

This message is sent by the user or the network at any time to solicit a STATUS message from the peer layer 3 entity. Sending a STATUS message in response to a STATUS ENQUIRY message is mandatory. See Table 3-46.

Table 3-46/Q.931

STATUS ENQUIRY message content

Message type: STATUS ENQUIRY 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
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.