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(Optional) Setting Parameters for an FXS Interface
This section describes how to set parameters for an FXS interface.
Context
An FXS interface connects to a POTS phone. To achieve high transmission efficiency on an FXS interface, properly set parameters for the FXS interface on the device, including physical attributes and electrical attributes.
Procedure
- Run:
system-viewThe system view is displayed.
- Run:
voiceThe voice view is displayed.
- Run:
port fxs slotid/subcardid/portid
The FXS interface view is displayed.
- Set physical attributes for the FXS interface.
- Run:
reverse-pole-pulse level level-value
The polarity reversal pulse level width is set.
- Run:
line-lock enablePort locking is enabled.
- Run:
nlp-mode { disable | normal | ec-gain-adjust | enhance | reduce }
The non-linear processing (NLP) mode is set.
- Run:
- Set electrical attributes for the FXS interface.
- Run:
electric current current-value
The current is set.
- Run:
electric impedance impedance-value
The impedance is set.
- Run:
electric send-gain sendgain-value
The send gain is set.
- Run:
electric receive-gain recvgain-value
The receive gain is set.
- Run: