Polycom SIP 2.2.0 ユーザーズマニュアル

Administrator’s Guide SoundPoint IP / SoundStation IP 

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Call Control <callControl/>
These parameters apply to call control packets, such as the network protocol 

signaling.

This attribute includes:

qos.ip.callControl.dscp

0 to 63 or
EF or
any of  
AF11,AF12, 
AF13,AF21, 
AF22,AF23,           
AF31,AF32, 
AF33,AF41, 
AF42,AF43

Null

This parameter allows the DSCP of 
packets to be specified. If set to a 
value this will override the other 
qos.ip.callControl

… 

parameters. Default of Null which 
means the other 
qos.ip.callControl

… 

parameters will be used.

qos.ip.callControl.min_delay

0, 1

1

If set to 1, set min-delay bit in the IP 
TOS field of the IP header, or else 
don’t set it.

qos.ip.callControl.max_throughput

0, 1

0

If set to 1, set max-throughput bit in 
the IP TOS field of the IP header, or 
else don’t set it.

qos.ip.callControl.max_reliability

0, 1

0

If set to 1, set max-reliability bit in 
the IP TOS field of the IP header, or 
else don’t set it.

qos.ip.callControl.min_cost

0, 1

0

If set to 1, set min-cost bit in the IP 
TOS field of the IP header, or else 
don’t set it.

qos.ip.callControl.precedence

0-7

5

If set to 1, set precedence bits in the 
IP TOS field of the IP header, or 
else don’t set them.