E1-Digits not passing

Unanswered Question
Feb 21st, 2009

Hi,

We have a peculiar problem with connectivity between Cisco 3845 and Ericson MD110.

E1 Configuration on the router is as follows-

controller E1 2/0

framing NO-CRC4

ds0-group 1 timeslots 1-15,17-31 type r2-digital dtmf dnis

cas-custom 1

country india use-defaults

metering

The dialing sequence is as follows -

Dial 9, the seize the channel

followed by dialing of the number. (example - dial 601xxxx)

The dial-peer on the router will make a H.323 call and pass the whole number to the destination.

Problem -

The setup was working from few years, now suddenly after dialing 9 to seize the channel (tone is provided by the router) the following dialed number are not passed to the router. The router will time-out and give an error signal.

After trying couple of times, we are able to pass the digits successfully. It is observed that this problem aggravates during peak hours when the number of calls made are more.

Need help.

I have this problem too.
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