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Prerequisites
The following actions are required to support DID:
•Obtain DID service from your service provider.
•Establish a working network.
•Complete your company’s dial plan.
•Establish a working telephony network based on your company’s dial plan.
•Install the VIC-2DID cards. For more information about VIC-2DID cards, refer to the Update to Cisco WAN Interface
Cards Hardware Installation Guide.
•Install at least one other network module or WAN interface card to provide the connection to the LAN or WAN.
Configuring a Voice Port to Support DID
Use the signal did command, with the appropriate signal type, to configure a DID voice port:
West(config-voice-port)# signal did{wink-start | immediate | delay-dial}
where wink-start, immediate, and delay-dial indicate the signal types. The default signal type is immediate.
As an example, the port can be configured as shown in the following commands:
Router# configure terminal
Router(config)# voice-port 1/0
West(config-voice-port)# signal did wink-start
Verifying DID Voice Port Configuration
To verify voice-port configuration, enter the show voice port command. You can specify a voice port or view the status of all
configured voice ports. In the following example, the specified port is configured for DID.
Router# show voice port 1/0
Foreign Exchange Station with Direct Inward Dialing (FXS-DID) 1/0 Slot is 1,
Port is 0
Type of VoicePort is DID-IN
Operation State is DORMANT
Administrative State is UP
No Interface Down Failure
Description is not set
Noise Regeneration is enabled
Non Linear Processing is enabled
Music On Hold Threshold is Set to -38 dBm
In Gain is Set to 0 dB
Out Attenuation is Set to 0 dB
Echo Cancellation is enabled
Echo Cancel Coverage is set to 8 ms
Playout-delay Mode is set to default
Playout-delay Nominal is set to 60 ms
Playout-delay Maximum is set to 200 ms
Playout-delay Minimum mode is set to default, value 4 ms
Playout-delay Fax is set to 300 ms
Connection Mode is normal
Connection Number is not set
Initial Time Out is set to 10 s
Interdigit Time Out is set to 10 s
Call Disconnect Time Out is set to 3 s
Ringing Time Out is set to 180 s
Wait Release Time Out is set to 3 s
Companding Type is u-law
Region Tone is set for US
Analog Info Follows:
Currently processing none
Maintenance Mode Set to None (not in mtc mode)