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ekoyle at gmail.com
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 Posted: Mon Jun 09, 2008 2:30 pm Post subject: [asterisk-users] Long call setup with non-PRI T1 |
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We have 2 T1's coming from our phone switch to a digium TE220B. We have
managed to get CPN and the extension outpulsed from the switch, but call
setups are really slow.
Our T1's are set up as E&M Wink, and they send us the last 5 digits
dialed followed by the 10 digit calling party number (we couldn't get
the switch to be happy with *CPN*+5* to use featd).
We are using asterisk 1.4.19.
Watching the DTMF debugging info, it doesn't take too terribly long to
get the digits (maybe 1-1.5 seconds), but after getting the digits
asterisk waits another 3 seconds before doing anything.
In chan_zap.c, there is a 'matchdigittimeout' that is set to 3000 ms.
This appears to be more or less a constant. Would it break anything if
I shorten this to say 500 ms? Is there a better place to configure
this?
--
Eldon Koyle
System Administration Operations
Information Technology
Utah State University
--
A New York City ordinance prohibits the shooting of rabbits from the
rear of a Third Avenue street car -- if the car is in motion. |
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asterisk.org at sedwar...
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| Posted: Mon Jun 09, 2008 3:33 pm Post subject: [asterisk-users] Long call setup with non-PRI T1 |
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On Mon, 9 Jun 2008, Eldon Koyle wrote:
| Quote: | We have 2 T1's coming from our phone switch to a digium TE220B. We have
managed to get CPN and the extension outpulsed from the switch, but call
setups are really slow.
Our T1's are set up as E&M Wink, and they send us the last 5 digits
dialed followed by the 10 digit calling party number (we couldn't get
the switch to be happy with *CPN*+5* to use featd).
|
I had always used PRI's, and then a customer hit me with an E&M.
In my PRI dialplans, I always matched DNISes with "_x." which worked great
because it was a PRI. In my ignorance, I used the same pattern with the
E&M and couldn't understand why it took so long to get a match.
It took me a while to realize that I needed a finite length pattern like
"_xxxxxxx" so my dialplan wouldn't "stall" waiting for the digit timeout.
Maybe you have the same problem?
Thanks in advance,
------------------------------------------------------------------------
Steve Edwards sedwards at sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000 |
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