<div dir="ltr">Thanks AJ and David,<div>We were actually using GSM gateways by setting busy forward number on the SIMs and just giving busy signal on every incoming call, telco took care of the forwarding and the line was free within seconds. Now we need to scale up the setup but GSM gateways a very very expensive if we want to scale upto a 1000 DIDs, which means thousand SIMs and a gateway/gateways big enough.</div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Mar 18, 2015 at 3:43 PM, A J Stiles <span dir="ltr"><<a href="mailto:asterisk_list@earthshod.co.uk" target="_blank">asterisk_list@earthshod.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Wednesday 18 Mar 2015, Rizwan H Qureshi wrote:<br>
> Hi All,<br>
> I have to forward incoming call on PRI back out to PRI but I need the<br>
> original Callerid to passthrough. Is it possible with DAHDI PRI cards<br>
> without involving the service provider?<br>
><br>
> Thanks<br>
<br>
</span>It depends who your service provider is!<br>
<br>
Any PRI card can send the commands down the D-channel to set any caller ID you<br>
like, but it's still up to the telco whether or not they will honour your<br>
request. I know the hard way that BT will only let you identify with a number<br>
you're entitled to use.<br>
<br>
Also, remember if you have a call coming in on a PRI line and going out on<br>
another PRI line, that's eating two of your thirty lines .....<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
AJS<br>
<br>
Note: Originating address only accepts e-mail from list! If replying off-<br>
list, change address to asterisk1list at earthshod dot co dot uk .<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
--<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font color="#888888"><div>Best Ragards</div><div>Rizwan H Qureshi</div><div><br></div>
<div>V: +971 (0) 528272154</div><div><a href="http://linkedin.com/in/rhqureshi" target="_blank">linkedin.com/in/rhqureshi</a></div><div><br></div><div><br></div></font></div></div>
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