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Perform Initial Conﬁguration (continued)

Verifying Your Analog or Digital Voice-Port Conﬁguration

You can test your analog or digital voice-port conﬁguration by doing the following:

• Pick up the handset of an attached telephony device and check for dial tone.

• If you have dial tone, check for DTMF detection. If the dial tone stops when you dial a digit, the voice port

is probably conﬁgured properly.

• Enter show voice port slot/port and show voice port summary to verify that the voice-port conﬁguration is

correct.

• Enter show voice dsp EXEC command to verify the current status of all Digital Signaling Processor (DSP)

voice channels.

• Enter show voice call summary EXEC command to verify the call status for all voice ports.

Troubleshooting Tips

If you are having trouble connecting a call and you suspect the problem is associated with voice-port

conﬁguration, you can try to resolve the problem by performing the following:

• Pingthe associated IPaddress to conﬁrmconnectivity. Ifyou cannot successfully pingyour destination, refer

to the “Conﬁguring IP” chapter in the Cisco IOS Release 12.0 Network Protocols Conﬁguration Guide,

Part 1.

• Enter show voice port to make sure that the voice port is enabled. You can display information for a single

voice port, for all voice ports, or a summary report. If the voice port is ofﬂine, use the no shutdown

command.

• Checkthedial-peer conﬁguration (asconﬁguredinthe“ConﬁguringVoiceoverFrameRelay,”“Conﬁguring

Voice over ATM,” or “Conﬁguring Voice over HDLC” chapters of the Cisco MC3810 Multiservice Access

Concentrators Software Conﬁguration Guide).

• Check the Frame Relay, ATM, or HDLC conﬁguration.

• Check to see if the voice network module has been correctly installed. For more information, see the

Cisco MC3810 Series Multiservice Access Concentrators Hardware Installation Guide.

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Cisco MC3810-V - Concentrator - External Guide d'installation Page 29