<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p
{mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Did you check so see if the pri is up?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Also, make sure wanpipe & dahdi is setup correctly.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] <b>On Behalf Of </b>satish patel<br><b>Sent:</b> Friday, March 25, 2011 3:41 PM<br><b>To:</b> asterisk-users<br><b>Subject:</b> [asterisk-users] Back-to-back asterisk PRI issue<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Following is my scenario to connect back to back PRI of two asterisk server. PRI cards are Sangoma A102D <br><br>[Asterisk1]------------[PRI]-Cross Cable---------[Asterisk2] <br><br>Asterisk1<br><br>; Span 1 (MASTER)<br>switchtype = national ; commonly referred to as NI2<br>context = from-pstn<br>group = 0,24<br>echocancel = yes<br>signalling = pri_net<br>channel => 1-23<br><br><br>Asterisk2<br><br>; Span 1<br>switchtype = national ; commonly referred to as NI2<br>context = from-pstn<br>group = 0,24<br>echocancel = yes<br>signalling = pri_cpe<br>channel => 1-23<br><br><br><br>Following is my extensions.conf stuff on both machine (extension number could be change) <br><br>[from-pstn]<br>exten => s,1,Answer()<br> same => n,Playback(hello-world)<br> same => n,Hangup()<br><br><br>[from-sip]<br>exten => _7XXX,1,Answer()<br> same => n,Dial(SIP/${EXTEN})<br> same => n,Hangup()<br><br>exten => 7527,1,Dial(DAHDI/G0/7527)<br><br><br><br>But i am getting following error when i am calling from A to B<br><br>satish-desktop*CLI><br>[Mar 25 15:40:19] WARNING[4519]: app_dial.c:2039 dial_exec_full: Unable to create channel of type 'DAHDI' (cause 34 - Circuit/channel congestion)<br>[Mar 25 15:40:19] WARNING[4519]: acl.c:698 ast_ouraddrfor: Cannot connect<br>[Mar 25 15:40:19] WARNING[4519]: chan_sip.c:3115 __sip_xmit: sip_xmit of 0x14249d0 (len 763) to 0.0.29.103:5060 returned -1: Invalid argument<br>[Mar 25 15:40:19] WARNING[4371]: chan_sip.c:3115 __sip_xmit: sip_xmit of 0x14249d0 (len 763) to 0.0.29.103:5060 returned -1: Invalid argument<br><br><o:p></o:p></span></p></div></div></body></html>