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Community Member

Waiting for additional digits

Hi all,

I have a E1 connection to the PSTN network, our local city numbering plan is that numbers are 6 digit. The problem is that no body can call us directly to our extensions for ex. 555-555 8888 because analog telephony forwards digits one by one at the time the match is made at CO it is forwarded at our router. This problem is not seen on digital lines such ISDN lines because it collects digits and then forwards them. Is there any way to wait for extra digits on our router.

Thnx in advance

5 REPLIES
Hall of Fame Super Gold

Re: Waiting for additional digits

Under interface x/y/z

isdn overlap-receiving

Hope this helps, please rate post if it does!

Community Member

Re: Waiting for additional digits

No it doesn't works.

Hall of Fame Super Gold

Re: Waiting for additional digits

Are you using CM or CME, H.323 or MGCP ?

Community Member

Re: Waiting for additional digits

I am using CM 6.1 and H323 on my internal network. But the ISDN PRI is connected on C2811 router and then digits are transfered to CCM. There is no problem when calls are arrived from digital numbers such as isdn phones all of the digits are forwarded but the problem is when calls come from analog phones.

Hall of Fame Super Gold

Re: Waiting for additional digits

Send interface configuration and output of "debug isdn q931" and "term mon" when a call arrives.

Router should send connect to isdn once all digits are received.

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