Huawei v200r001 3.3 Monitoring and Maintenance of E1 Voice

User Manual - Configuration Guide (Volume 3)

Versatile Routing Platform Chapter 3

E1 Voice Configuration

3-11

Before entering voice port (ISDN PRI interface) configuration mode, first the ISDN PRI

group needs to be created, so that the system will create the voice p ort corresponding

to the PRI group automatically.

Please perform voice-port configuration in global configuration m ode and perform other

configurations in voice port configuration mode.

Table VC-3-8 Configuration Commands of ISDN Voice Port

Operation Command

Enter voice port configuration mode voice-port port-number :15

Enable comfort noise setting comfort-noise

Disable comfort noise setting No comfort-noise

Establish PLAR mode connection for voice port connection plar telephone-number

Delete the PLAR connection of the voice port No connection plar

Configure the description information of the port description string

Delete the description information of the port No description

Enable echo cancellation function or set the time coverage of

echo cancellation sampling echo-cancel { enable | coverage coverage-time }

Cancel echo cancellation function or recover the default

value of the time coverage of echo cancellation sampling no echo-cancel { enable | coverage }

Configure voice input gain input gain value

Recover the default value of voice input gain no input gain

Set echo cancellation to use non-linear processing procedure non-linear

Cancel echo cancellation’s use of non-linear processing

procedure no non-linear

Configure voice output attenuation output attenuation value

Recover the default value of voice output attenuation no output attenuation

Disable the voice port shutdown

Enable the voice port no shutdown

By default, comfort-noise (i.e. enable comfort noise setting) command becomes

effective, no connection plar (i.e. the system has not established PLAR mode

connection initially.) command becomes effective, and non-linear (i.e. start non-linear

processing procedure) command becomes effective.

The default value of configuration command echo-cancel (enable echo cancellation) is

enable, and echo-cancel coverage (the time coverage of echo cancellation sam pling)

16ms, and input gain (voice input gain) 0, and output attenuation (voice output

attenuation) 0.

3.3 Monitoring and Maintenance of E1 Voice

MFC channel is used to bear R2 register signaling, while the circuit is used to bear the

actual incoming and outgoing calls. You can perform maintenance operations such as

open, block and query to the MFC channel of the specified TS. You can perform

operations such as open, block, query and reset to the trunk c ircuit of the specified TS.

The operations of open and block are reverse process to each other.