2.2.1.15.1 Control PDU Data (TS_CONTROL_PDU)

 The TS_CONTROL_PDU structure is a standard T.128 Synchronize PDU ([T128] section 8.12).


0


1


2


3


4


5


6


7


8


9

1
0


1


2


3


4


5


6


7


8


9

2
0


1


2


3


4


5


6


7


8


9

3
0


1

shareDataHeader (18 bytes)

...

...

...

action

grantId

controlId

...

shareDataHeader (18 bytes): Share Data Header (section 2.2.8.1.1.1.2) containing information about the packet. The type subfield of the pduType field of the Share Control Header (section 2.2.8.1.1.1.1) MUST be set to PDUTYPE_DATAPDU (7). The pduType2 field of the Share Data Header MUST be set to PDUTYPE2_CONTROL (20).

action (2 bytes): A 16-bit, unsigned integer. The action code.

Value

Meaning

CTRLACTION_REQUEST_CONTROL

0x0001

Request control

CTRLACTION_GRANTED_CONTROL

0x0002

Granted control

CTRLACTION_DETACH

0x0003

Detach

CTRLACTION_COOPERATE

0x0004

Cooperate

grantId (2 bytes): A 16-bit, unsigned integer. The grant identifier.

controlId (4 bytes): A 32-bit, unsigned integer. The control identifier.

Show: