As umar said, the simplest solution to this is to set a dummy callerid. You can check for existence or validity of callerid in the dialplan, else set(${CALLERID(number)=2342342) etc or whatever your switch will accept.<br>
<br>-wasim with top posting madness<br><br><div><span class="gmail_quote">On 3/16/07, <b class="gmail_sendername">Vernier Umali</b> <<a href="mailto:vernier@gmail.com">vernier@gmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
That has happened to me also. Reply from engineer is that the switch<br>has to have a value in callerid.<br><br>On 3/16/07, Anton <<a href="mailto:anton.vazir@gmail.com">anton.vazir@gmail.com</a>> wrote:<br>> Your telco may not allow calls with no callerid - ask them
<br>><br>> On 16 March 2007 11:52, umar tarar wrote:<br>> > you can logically avoid this problem by giving something<br>> > (e.g. a constant number/digit/alphabet) in callerid<br>> ><br>> > On 3/15/07, Pawel Ratajewski (Forweb) <
<a href="mailto:rataj@4web.pl">rataj@4web.pl</a>><br>> wrote:<br>> > > hi,<br>> > ><br>> > > I have some problem with outgoing calls without<br>> > > callerid. If I don't set caller id (callerid is empty)
<br>> > > call is droped.<br>> > > Message I get form asterisk:<br>> > ><br>> > > chan_ss7.c:3523 monitor_main: ISUP decoding error,<br>> > > message discarded. (typ=3)<br>> > >
<br>> > > Any idea why?<br>> > > I think it's problem with signalling but have no idea<br>> > > how to resolve it.<br>> > ><br>> > > Pozdrawiam / Regards<br>> > ><br>
> > > Paweł Ratajewski<br>> > > Menadżer produktów<br>> > > Dział administracji serwerów<br>> > > <a href="mailto:pawel.ratajewski@4web.pl">pawel.ratajewski@4web.pl</a><br>> > >
<br>> > > -----------------------------------------------<br>> > > Forweb S.C.<br>> > > Łagiewnicka 54/56, 91-463 Łódź<br>> > > tel: +48 42 640 61 26, fax: +48 42 635 36 31<br>> > >
<a href="mailto:biuro@4web.pl">biuro@4web.pl</a> <a href="http://www.4web.pl">http://www.4web.pl</a><br>> > > -----------------------------------------------<br>> > ><br>> > ><br>> > > _______________________________________________
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<br> <a href="http://lists.digium.com/mailman/listinfo/asterisk-ss7">http://lists.digium.com/mailman/listinfo/asterisk-ss7</a><br><br></blockquote></div><br><br clear="all"><br>-- <br>wasim h. baig | principal consultant | convergence pk | +92(300)8508070