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Structure
of Q.931 message (Release)
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Message type: RELEASE
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Significance: Local
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Direction: Both
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Info Element Direction Type Length
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Protocol
Both
M 1
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discriminator
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Call
reference Both M 2-
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Message
type Both
M 1
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Cause
Both
O 2-32
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Display
n ®
u O
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Signal
n ®
u O 2-3
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Cause
description may require many bytes
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