The STATUS ENQUIRY 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 3-18.
STATUS ENQUIRY message content
Message type: STATUS ENQUIRY |
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Information element |
Reference (subclause) |
Direction |
Type |
Length |
Protocol discriminator |
Both |
M |
1 |
|
Call reference |
Both |
M |
2-* |
|
Message type |
Both |
M |
1 |
|
Display |
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. |
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