Polycom 8 manual 11-26, From Service recommended Takes the QoS

Chapter 11 - Managing Participant Templates

The Participant QoS window opens.

2.Fill in the parameters for IP Quality of Service as described in Table 11-6:

Table 11-6: H.323 Participant IP Quality of Service Parameters

Option	Description
IP Quality of	From the IP Quality of Service drop-down list, select
Service	one of the following options:
	Enable - QoS is implemented on the network
	Disable - QoS is not implemented on the network
	From Service (recommended) - Takes the QoS
	definitions from the H.323 Network Services. The
	H.323 Network Service is defined in the MGC
	Manager application.
DiffServ/	Select whether the system uses DiffServ or
Precedence	Precedence as the QoS mechanism for prioritizing
	traffic through an IP network.

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