Specifications

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Cisco 1751 Router Software Configuration Guide
OL-1070-01
Command Mode
Dial-peer configuration.
Usage Guidelines
Use the req-qos command to request a specific QoS to be used in reaching a dial peer. This command
is like acc-qos; the software reserves a certain amount of bandwidth to provide the selected QoS. Cisco
IOS software uses RSVP to request QoS guarantees from the network.
This command only applies to VoIP peers.
Example
The following example configures guaranteed-delay as the desired (requested) QoS to a dial peer:
dial-peer voice 10 voip
req-qos guaranteed-delay
Related Commands
acc-qos
ring frequency
To specify the ring frequency for a specified FXS voice port, use the ring frequency voice-port
configuration command. Use the no form of this command to reset the default value for this command.
ring frequency number
no ring frequency
Syntax Description
Default
25 Hz.
Command Mode
Voice-port configuration.
Usage Guidelines
Use the ring frequency command to select a specific ring frequency for an FXS voice port. Use the no
form of this command to reset the default value. The ring frequency you select must match the
connected equipment. If set incorrectly, the attached phone might not ring or might buzz. In addition,
the ring frequency is usually country-dependent, and you should take into account the appropriate ring
frequency for your area before configuring this command.
This command does not affect ringback, which is the ringing a user hears when placing a remote call.
number Ring frequency in Hz used in the FXS interface. Valid entries are 25
and 50 Hz.