[cisco-voip] Interdigit timeout issue for 7 digit calls

[Lelio Fulgenzi]

This is almost certainly interdigit timeout. Which, like you mentioned is usually caused by route patterns of varying length which have similar digits. However, in the case of 7 digit local dialing, you have to add a route filter that has 'local area code does not exist' as one of the clauses to your route pattern if you are using 9.@ in order for calls to be processed immediately after the first 7 digits.



Let us know if this helps.


  ----- Original Message ----- 
  From: Erick Bergquist 
  To: cisco-voip at puck.nether.net 
  Sent: Thursday, September 15, 2005 11:52 PM
  Subject: [cisco-voip] Interdigit timeout issue for 7 digit calls 


  Hi,

  Have an issue where it takes 10-12 seconds for a call
  to get placed out a gateway. It is a ISDN PRI and the
  debug isdn q931 doesn't show activity until 10-12
  seconds after the call is placed on IP Phone and when
  we lower the T302 timer it gets placed to what T302 is
  set to. 

  There are no conflicting or overlapping route patterns
  that we can find, and we put in a route pattern for
  the full number with no wildcards and same thing. 

  I've done a CCM detailed trace and am seeing large
  delay between when the phone dials the number and when
  it gets processed. Theres like a good 12 seconds in
  trace where the call reference is not listed. 

  This is on CCM 4.02a SR2a. 





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