0x01D4 Type of Service

Use this TLV to set the quality of service for outgoing packets (RTP/RTCP/T.38). This attribute can be modified in a run-time environment.

Note that the signaling protocol is responsible to adhere to the RFC Standards when imposing type of service restrictions.

Used in:
0x1E Generic PPL ICB in:
Resource Attribute Configure message
Resource Attribute Query message

Byte

Description

0, 1

Tag: Type of Service (0x01D4)

2, 3

Length: 0x0001

4

Value: Data[0] = b7b6b5b4b3b2b1b0

 

b7b6b5: Precedence:

000 Routine
100 Priority
010 Immediate

110 Flash
001 Flash Override

101 CRITIC/ECP

011 Internetwork control

111 Network control

0x00 (Default)

 

b4: Delay:

0 Normal delay (Default)
1 Low delay

 

b3: Throughput:

0 Normal throughput (Default)
1 High throughput

 

b2: Reliability:

0 Normal reliability (Default)
1 High reliability

 

b1: Cost:

0 Normal cost (Default)
1 Low cost

 

b0This bit must be zero