Call Release Call Flows

Host Initiated Call Release

Message Trace

Receive Release Channel

H->X

[00 11 00 08 00 00 01 00 02 0d 03 00 a8 14 0d 03 00 00

01]

X->H

[00 07 00 08 00 00 01 00 10]

Send Release Complete

----- H.225 Call Signaling -----

H225:

H225: Protocol discriminator = 8

H225: Length of call reference = 2

H225: Call reference field = FCD8

H225: 1... .... .... .... = Message to originator

H225: .111 1100 1101 1000 = Call reference value = 31960

H225: Message type = 90 (Release Complete)

H225:

H225:

H225:

H225: ----User-User Information----

H225:

H225: Information element identifier = 126 (User-User)

H225: Length = 31

H225: Discriminator = 5 (X.208/X.209 (ASN.1))

H225:

H225: Flags = 05

H225: 0... .... = No extension values present in H323-UserInformation

H225: .0.. .... = user-data is not present

H225: ..0. .... = No extension values present in h323-uu-pdu

H225: ...0 .... = nonStandardData is not present

H225: .... 0... = No extension values present in h323-message-body

H225: h323-message = 5 (Release complete)

H225: Flags = C0

H225: 1... .... = Extension values present in ReleaseComplete-UUIE

H225: .1.. .... = ReleaseCompleteReason is present

H225: Protocol id = {0.0.8.2250.0.2}

H225: Reason = 0 (No bandwidth)

H225: .1.. .... = Extension length determinant

H225: Number of extension = 25

H225: Flags = 08

H225: 0... .... = callIdentifier is not present

H225: Length of callIdentifier = 17

H225:

H225: Flags = 00

H225: 0... .... = No extension value(s) present in callIdentifier

H225: Guid = 5D0D95950952D61198CE0050DAD08480

H225:

Receive End Session

H245 Msg RCVD

4a 40

Send End Session

H245 Msg SENT

4a 40

Send Channel Released with Data

X->H

[00 5d 00 69 00 14 01 00 01 0d 03 00 a8 14 02 02 1e 2a 00 05

01 04 00 04 00 00 00 00 01 05 00 04 00 00 00 00 01 11

00 04 00 00 00 de 01 10 00 04 00 00 00 00 01 12 00 04

00 00 0a f8 03 00 33 00 1e 00 04 27 4e 00 02 00 10 27

92 00 04 87 77 37 b7 27 93 00 04 00 00 3c 40 27 e3 00

02 03 07]

Network Initiated Call Release

Message Trace

Receive Release Complete

--- Q.931 (CCITT Q.931 Call Control)---

Protocol Discriminator : 8 [0x08] Q.931 User-Network Call Control Msgs

Call Ref Value Length : 2 bytes

Call Reference Field : 0x7CDB

: 0... .... : Flag=0, Origination Side of CRV

: .101 1011 : CRV=31963, [0x7CDB]

Message Type : Release Complete

Information Element : 126, User-User

Length of Info Element : 30 bytes

Octet 3 : 0x05

: 0000 0101 : Protocol = X.208/X.209 (ASN.1)

--- H.323 (ITU-T H.323 User Information)---

H323-UserInformation :

h323-uu-pdu :

h323-message-body :

releaseComplete :

protocolIdentifier : itu-t

: recommendation

: h

: 2250

: version

: 2

reason : undefinedReason

callIdentifier :

guid : Hex( 63 0D 95 95 09 52 D6 11 98 CE 00 50 DA D0 84 80 )

: [end of pdu]

:

Send Release Complete

--- Q.931 (CCITT Q.931 Call Control)---

Protocol Discriminator : 8 [0x08] Q.931 User-Network Call Control Msgs

Call Ref Value Length : 2 bytes

Call Reference Field : 0x7CDA

: 0... .... : Flag=0, Origination Side of CRV

: .101 1010 : CRV=31962, [0x7CDA]

Message Type : Release Complete

Information Element : 8, Cause

Length of Info Element : 3 bytes

Octet 3 : 0x00

: 0... .... : Extension Bit = 0

: .00. .... : Coding Standard = ITU-T

: ...0 .... : Spare Bit

: .... 0000 : Location = User

Octet 3a : 0x00

: 0... .... : Extension Bit = 0 (Invalid Ext Bit)

: .000 0000 : Recommendation = Q.931

Octet 4 : 0x90

: 1... .... : Extension Bit = 1

: .001 .... : Cause Class = Normal Event

: .... 0000 : Cause Code = Normal Call Clearing

:

Information Element : 126, User-User

Length of Info Element : 30 bytes

Octet 3 : 0x05

: 0000 0101 : Protocol = X.208/X.209 (ASN.1)

--- H.323 (ITU-T H.323 User Information)---

H323-UserInformation :

h323-uu-pdu :

h323-message-body :

releaseComplete :

protocolIdentifier : itu-t

: recommendation

: h

: 2250

: version

: 2

reason : undefinedReason

callIdentifier :

guid : Hex( 61 0D 95 95 09 52 D6 11 98 CE 00 50 DA D0 84 80 )

: [end of pdu]

:

Receive End Session

H245 Msg RCVD

4a 40

Send End Session

H245 Msg SENT

4a 40

Send Channel Release with Data

X->H

[00 5d 00 69 00 17 01 00 01 0d 03 00 a8 16 02 02 1e 2a 00 05

01 04 00 04 00 00 00 00 01 05 00 04 00 00 00 00 01 11

00 04 00 00 1e 9f 01 10 00 04 00 00 00 00 01 12 00 04

00 02 22 8c 03 00 33 00 1e 00 04 27 4e 00 02 00 10 27

92 00 04 87 77 37 b7 27 93 00 04 00 00 3c 80 27 e3 00

02 02 0c]