[asterisk-users] Ext1: Channel X parameter on PRI

Loic Didelot ldidelot at mixvoip.com
Thu Jul 2 03:47:12 CDT 2009


Hello,
I use asterisk as a PRI gateway between the PRI line from the telco
(span 1) and the customers PBX (span 2) . I did a "pri debug" because I
had some problems with incoming routings.

>From the telco I get:
1 < Channel ID (len= 5) [ Ext: 1  IntID: Implicit  PRI  Spare: 0 Exclusive  Dchan: 0
1 <                        ChanSel: Reserved
1 <                       Ext: 1  Coding: 0  Number Specified  Channel Type: 3
1 <                       Ext: 1  Channel: 28 ]

But on span2 I asterisk sends:

2 > Channel ID (len= 5) [ Ext: 1  IntID: Implicit  PRI  Spare: 0  Preferred  Dchan: 0
2 >                       Ext: 1  Coding: 0  Number Specified  Channel Type: 3
2 >                       Ext: 1  Channel: 1 ]


I compared all parameters I know like TON (type of number) etc... and
they match. What I get on span 1 is the same that is sent on span 2
except this "Ext: 1 Channel: X". What does that parameter means and how
can I modify it.


Best regards,
Loïc Didelot.


-- 
Loïc DIDELOT
MIXvoip S.a.
Tel: +352 20 3333 20
Fax: +352 20 3333 90
ldidelot at mixvoip.com
http://www.mixvoip.com




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