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Community Member

Not all numbers connect

I have a 2811 running MGCP to a PRI interface. Most calls connect with no issue however, we have several numbers that when dialed we get back a busy tone, the number dialed is not busy. On the debug it looks like we have normal clearing.

Any ideas would be great.

2 REPLIES
Community Member

Re: Not all numbers connect

Any reason why you are using overlap sending as opposed to enbloc?

I have seen issues with overlap sending if the provider end is not set to recieve such signalling.

see the link below:

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_configuration_example09186a00800f2c70.shtml

This explains overlap sending and how to enable it, to disable it just perform the reverse and uncheck overlap sendind from your route patterns.

Community Member

Re: Not all numbers connect

We are using overlap to reduce the time on the call placement. The call works from an IP phone.

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