Information element | Direction | Type | Length | Note |
---|---|---|---|---|
Protocol discriminator | Both | M | 1 | |
Call reference | Both | M | 2-* | |
Message type | Both | M | 1 |
3.1.7 NOTIFY This message is sent by the user or the network to indicate information pertaining to a call, such as user suspended. See Table 3-8. TABLE 3-8/Q.931 NOTIFY message content Message type: NOTIFY Significance: access 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 Bearer capability 4.5 n ® u O (Note 1) 2-12 Notification indicator 4.5 Both M 3 Display 4.5 n ® u O (Note 2) (Note 3) NOTES 1 Included by the network to indicate a change of the bearer capability (see Annex L). 2 Included if the network provides information that can be presented to the user. 3 The minimum length is 2 octets; the maximum length is network dependent and is either 34 or 82 octets.