3.3.8

3.3.8 RELEASE COMPLETE

This message is sent by the user or the network to indicate that the equipment sending the message has released the channel (if any) and call reference. The channel is available for reuse, and the receiving equipment shall release the call reference. See Table 3-42.

Table 3-42/Q.931

RELEASE COMPLETE message content

Message type: RELEASE COMPLETE Significance: local (Note 1) 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	O (Note 2)	2-32
Display	4.5	n ® u	O (Note 3)	(Note 4)
NOTES 1. This message has local significance; however, it may carry information of global significance when used as the first call clearing message. 2. Mandatory in the first call clearing message, including when the RELEASE message is sent as a result of an error handling condition. 3. Included if the network provides information that can be presented to the user. 4. The minimum length is 2 octets; the maximum length is network dependent and is either 34 or 82 octets.