Dialogic Voice Cards - Configure PDK US_FXS_LS_IO for Cisco FXS Voice Port

By Nathaniel Halbrooks

Description

When configuring a Dialogic JCT series media board with a T-1 interface to connect to a Cisco Voice Gateway via an FXS board, there are settings needed in the Cisco configuration to make sure the port operates properly.

Configuration

First, configure the FXS voice port for loopstart:

R1#configure terminal

 

Enter configuration commands, one per line. End with CNTL/Z.

R1(config)#voice-port 1/1 R1(config-voiceport)#signal loopstart R1(config-voiceport)#ring cadence define 50 10 R1(config-voiceport)#shutdown R1(config-voiceport)#no shutdown R1(config-voiceport)#impedance 600c

 

If issues occur with hookflash, try these configuration adjustments

 

  • Increase the interdigit timing duration using the following configuration command:

R1(config-voiceport)#timing interdigit 150

 

  • Insert a # in the post-hookflash number dial to ensure the call completes.

Product List

Dialogic JCT series T1 Media Boards

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