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AMA-CUCM Troubleshooting: Best Practices for Reading Trace Files

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Contributor

DESTINATION-PATTERN COMMAND SCENARIOS

  Hi everybody.

I am trying to understand the importance of period " ." before T in destination -pattern command for outgoing dial peer.

Please consider the following example:                

ANALOGPHONE--------VOICE-GATEWAY--4/0 (fx0)----------------------PSTN.

Case 1:

DIAL PEER VOICE 4 POTS

destination-pattern T

port 4/0

What will happen if a user picks up the receiver and dial nothing assuming everything is configured correctly ?

case 2:

DIAL PEER VOICE 4 POTS

destination-pattern . T  ( please note the period before T)

port 4/0

What will the impact of using period before " t" in above dial peer as compared to case 1 where we did not use any period before "t"  (a)if the user picks up the receiver and dials nothing (b) if the user picks up the receiver and dials a digit ?

thanks and have a great day.

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Cisco Employee

DESTINATION-PATTERN COMMAND SCENARIOS

Hi Sarah,

This goes back to my last reply.

Period (.), which matches any entered digit (this character is used as a wildcard).

T, Control character that indicates that the destination-pattern value is a variable-length dial string. Using this control character  enables the router to wait until all digits are received before routing  the call.

AFAIK, both T and .T are essentially the same.

If the user picks up the analog phone and doesn't dial anything, then the call wont get routed, since there was no outbound dialpeer matched and would hear a fast busy.

HTH.

Regards,

Harmit.

1 REPLY 1
Cisco Employee

DESTINATION-PATTERN COMMAND SCENARIOS

Hi Sarah,

This goes back to my last reply.

Period (.), which matches any entered digit (this character is used as a wildcard).

T, Control character that indicates that the destination-pattern value is a variable-length dial string. Using this control character  enables the router to wait until all digits are received before routing  the call.

AFAIK, both T and .T are essentially the same.

If the user picks up the analog phone and doesn't dial anything, then the call wont get routed, since there was no outbound dialpeer matched and would hear a fast busy.

HTH.

Regards,

Harmit.

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