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(Optional) Configuring the Signal Gain Level
Context
When a local user and a remote user are on a call, you can configure the transmit or receive signal gain level of the E&M interface to adjust the call volume at both ends.
Procedure
- Run system-view
The system view is displayed.
- Run interface serial interface-number
The E&M interface view is displayed.
- Configure the signal gain level.
Run em receive gain gain-value
The receive signal gain of the E&M interface is configured.
By default, the receive signal gain level of an E&M interface is 40.
Run em transmit gain gain-value
The transmit signal gain level of the E&M interface is configured.
By default, the transmit signal gain level of an E&M interface is 14.