Dialogic 6.2 manual Hex, November 106

BSMI Debugging

„The Message type value 0x05 identifies the D-channel message as a SETUP; refer to Table 3 on page 106 for possible Q.931 message type values.

				Bits											Bits					Example
8	7	6	5	4 3		2	1			Byte		8	7	6	5	4	3	2	1		08
		Protocol Discriminator								1		0	0	0	0	1	0	0	0
										2											01
0	0	0	0		Call ref length							0	0	0	0	0	0	0	1
																					01
Flag			Call reference value							3		0	0	0	0	0	0	0	1
0				Message type						-		0	0	0	0	0	1	0	1		05
		Other Information Elements										See Figure 8
			(IEs) as required
		General Message										Example SETUP Message
					Figure 7.			Message Structures
					Table 3. Q.931 Message Types
					Message Type Bits								Hex		Message
					0	0	0	0	0	0	0	1	01		Alerting
					0	0	0	0	0	0	1	0	02		Call Proceeding
					0	0	0	0	0	1	1	1	07		Connect
					0	0	0	0	1	1	1	1	0F		Connect Acknowledge
					0	0	0	0	0	0	1	1	03		Progress
					0	0	0	0	0	1	0	1	05		Setup
					0	0	0	0	1	1	0	1	0D		Setup Acknowledge
					0	1	0	0	0	1	0	1	45		Disconnect
					0	1	0	0	1	1	0	1	4D		Release
					0	1	0	1	1	0	1	0	5A		Release Complete
					0	1	0	0	0	1	1	0	46		Restart
					0	1	0	0	1	1	1	0	4E		Restart Acknowledge

November 2009 106