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Configuring Voice over IP
After you change any voice-port command, it is a good idea to cycle the port by using the shutdown
Note
and no shutdown commands.
Configure E&M Voice Ports
Unlike FXO and FXS voice ports, the default E&M voice-port parameters most likely are not sufficient
to enable voice data transmission over your IP network. E&M voice-port values must match those
specified by the particular PBX device to which the voice port is connected.
To configure an E&M voice port, perform the following steps. Items included in Step 1 and Step 2 are
required; items included in Step 3 are optional.
Step 1
Identify the voice port and enter the voice-port configuration mode by using the voice-port command.
Step 2
For each of the following required parameters, select the appropriate parameter value by using the
commands indicated:
•
•
•
•
•
•
Step 3
Select one or more of the following optional parameters by using the indicated commands:
•
•
•
•
To configure E&M voice ports, use the following commands beginning in privileged EXEC mode:
Command
Step 1
configure terminal
Step 2
voice-port
slot-number/subunit-number/port
Step 3
dial-type {dtmf | pulse}
Step 4
signal {wink-start | immediate |
delay-dial}
Step 5
cptone {australia | brazil | china
| finland | france | germany |
japan | northamerica |
unitedkingdom}
T1/E1 Digital Voice Port Adapter Installation and Configuration
4-26
Dial type using the dial-type command
Signal type using the signal command
Call progress tone using the cptone command
Operation using the operation command
Type using the type command
Impedance using the impedance command
PLAR connection mode using the connection plar command
Music threshold using the music-threshold command
Description using the description command
Comfort tone (if VAD is activated) using the comfort-noise command
Chapter 4
Purpose
Enter the global configuration mode.
Identify the voice port you want to configure and enter the
voice-port configuration mode.
Select the appropriate dial type for out-dialing.
Select the appropriate signal type for this interface.
Select the appropriate voice call progress tone for this interface.
Configuring the PA-VXA, PA-VXB, and PA-VXC
OL-3592-02
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Troubleshooting
