<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=iso-8859-1" http-equiv=Content-Type>
<META name=GENERATOR content="MSHTML 8.00.6001.18928">
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><BR> </DIV>
<DIV><FONT size=2 face=Arial><SPAN
style="WIDOWS: 2; TEXT-TRANSFORM: none; TEXT-INDENT: 0px; BORDER-COLLAPSE: separate; FONT: medium 'Times New Roman'; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"
class=Apple-style-span><PRE>Hello all,</PRE><PRE>I am having this message when I receiving an incoming call from SS7. It looks like it's releasing the call straight after pickup.</PRE><PRE>I am using trixbox and have setup a catch all inbound route.</PRE><PRE> </PRE><PRE>The debug message for SS7 is :-</PRE><PRE>Unhandled optional parameter 0x39 'Parameter Compatibility Information'<BR>[0xc0 0xd0 ]><BR>Len = 16 [ b2 ae 0d 85 70 17 e1 f5 1f 00 0c 02 00 02 81 90 ]<BR>FSN: 46 FIB 1<BR>BSN: 50 BIB 1<BR>[0] MSU*CLI><BR>[ b2 ae 0d ]><BR>Network Indicator: 2 Priority: 0 User Part: ISUP (5)<BR>[ 85 ]<BR>OPC 6020 DPC 6000 SLS 15<BR>[ 70 17 e1 f5 ]<BR>CIC: 31<BR> [ 1f 00 ]<BR> Message Type: REL<BR> [ 0c ]<BR> --VARIABLE LENGTH PARMS[1]--<BR> Cause Indicator:<BR> Coding Standard: 0<BR> Location: 1<BR> Cause Class: 1<BR> Cause Subclass: 0<BR> Cause: Normal call clearing (16)<BR> [ 02 81 90 ]</PRE><PRE>Len = 12 [ ae b3 09 85 84 17 dc f5 1f 00 10 00 ]<BR>FSN: 51 FIB 1<BR>BSN: 46 BIB 1<BR><[0] MSU*CLI><BR>[ ae b3 09 ]><BR>Network Indicator: 2 Priority: 0 User Part: ISUP (5)<BR>[ 85 ]<BR>OPC 6000 DPC 6020 SLS 15<BR>[ 84 17 dc f5 ]<BR> CIC: 31<BR> [ 1f 00 ]<BR> Message Type: RLC<BR> [ 10 ]</PRE><PRE> </PRE><PRE>My SS7 configuration is :-</PRE><PRE><SPAN lang=EN><P>signaling=ss7 ;this is ss7 signaling</P><P>ss7type=itu ;using the ITU variant</P><P>ss7_called_nai=</SPAN><SPAN lang=EN-GB>dynamic</SPAN><SPAN lang=EN> ;NAI for outgoing calls</P><P>ss7_calling_nai=</SPAN><SPAN lang=EN-GB>dynamic</SPAN><SPAN lang=EN> ;NAI for incoming calls</P><P>ss7_internationalprefix=</SPAN><SPAN lang=EN-GB>003364</SPAN><SPAN lang=EN> ;international prefix value for incoming calls</P><P>ss7_nationalprefix=</SPAN><SPAN lang=EN-GB>064</SPAN><SPAN lang=EN> ;national prefix value for incoming calls</P><P>ss7_subscriberprefix=</SPAN><SPAN lang=EN-GB>64</SPAN><SPAN lang=EN> ;subscriber prefix value for incoming calls</P><P>ss7_unknownprefix= ;unknown prefix value for incoming calls</P><P>ss7_explictacm=</SPAN><SPAN lang=EN-GB>yes</SPAN><SPAN lang=EN> ;ACM is send as soon as call enters the dial plan...may not accepted yet though</P></SPAN><SPAN lang=EN-GB><P>ss7_autoacm=yes</P></SPAN><FONT size=1><SPAN lang=EN><P><FONT size=4>linkset=1 ;arbitrary name for this set of channels</FONT></P><P><FONT size=4>pointcode=6020 ;the point code for this system...aka SPC</FONT></P><P><FONT size=4>adjpointcode=6000 ;the point code for the system that we are signaling to... aka APC</FONT></P><P><FONT size=3>defaultdpc=6000 ;the point code for the system that the CICs will be negotiated with...aka DPC</FONT></P><P><FONT size=3>networkindicator=national ;NI value for MTP3</FONT></P><P><FONT size=3>cicbeginswith=1 ;the starting value of the CICs</FONT></P><P><FONT size=3>channel=1-15,17-31 ;the channels that are CICs</FONT></P><P><FONT size=3>sigchan=16</FONT></P><P><FONT size=3></FONT> </P><P><FONT size=3>Hope someone could point me to the right direction. Many thanks!</FONT></P></FONT></SPAN></PRE></SPAN></FONT></DIV></BODY></HTML>