Cisco Systems UBR900 User Manual

 Configuring the Cisco uBR900 Series Cable Access Routers 65

To allow voice calls to be sent upstream over the cable interface via best effort, use the cable-modem 
voip best-effort  command from interface configuration mode. To disable best-effort voice calls, use 
the no form of this command.

Syntax Description

This command has no arguments or keywords.

Defaults

Enabled

Command Modes 

Interface configuration

Command History

Usage Guidelines

This command allows you to configure the voice traffic on a Cisco uBR900 series to allow only calls 
having a high priority service identifier (SID) to be connected.

If the dynamic configuration of high priority queues for voice traffic fails, or if the far end cannot 
support the multiple SIDs and multiple classes of service required by high priority traffic, the flag 
set by this command will be checked. If enabled (the default setting), the call will be allowed to go 
through.  If disabled, the call will fail.

Examples

The following example shows how to disable best-effort voice calls on a Cisco uBR900 series cable 
interface, starting from global configuration mode:

uBR924(config)# interface cable-modem 0

uBR924(config-if)# no cable-modem voip best-effort

uBR924(config-if)# 

12.0(5)T

This command was introduced.