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Voice ports

Cisco Networking Academy Program

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Local Calls

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On-Net Calls

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Off-Net Calls

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PLAR

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PBX-to-PBX Calls

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Cisco CallManager-to-Cisco CallManager

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On-Net to Off-Net Call

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FXS Voice Port Configuration

• signal• cptone• description• ring frequency• ring cadence• disconnect-ack• busyout• station id name• station id number

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FXS Voice Port Configuration

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FXO Voice Port Configuration

• signal• ring number• dial-type• description• supervisory disconnect

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FXO Voice Port Configuration

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E&M Voice Port Configuration

• signal• operation• type• auto-cut-through• description

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E&M Voice Port Configuration

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Timers and Timing Configuration

• timeouts initial• timeouts interdigit• timeouts ringing• timing digit• timing interdigit• timing hookflash-in/hookflash-out

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Timers and Timing Configuration

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Basic T1/E1 Controller Configuration

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T1/E1 Digital-Voice Configuration

• Create digital voice ports with the ds0-group commandds0-group-no

timeslot-list

signal-type

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Digital-Voice Configuration

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ISDN Configuration

• Global configurationisdn switch-type

• T1/E1 controller configurationpri-group

• D channel configurationisdn incoming-voice configuration

• QSIG configurationQSIG signaling

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ISDN Configuration

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CCS Options

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Verifying and Troubleshooting Voice Ports

1. Check for dial tone (FXS only).

2. Check for DTMF tones (FXS only).

3. Use show voice port to check configuration.

4. Use show voice port to ensure port is enabled.

5. Be sure PBX configuration is compatible with voice port.

6. Check physical installation of hardware.

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Commands to Verify Voice Ports

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Test Commands

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ISDN Commands

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