asterisk users - Apr 2008 - No CallerID Transfer Problem

Came upon a problem today that I thought I'd see if it's by design, if
I'm missing an option somewhere, or if my fix is the way to fix it.
 
We setup a remote location with a server, same as we've done with
others, but for some reason when they would transfer an outside call
anywhere it would pause for a few seconds and hang up the line.
 
Well, after spending most of the day on it, it turns out it's because
they don't have callerID on the PSTN lines coming in through zaptel.  My
first thought was, set "usecallerid=no" and all would be well, but
this
didn't do any good.  After playing a bit longer I just set the
following:
 
        exten => 900,2,set(CALLERID(num)="606-555-1212")
        exten => 900,3,set(CALLERID(name)="Outside Call")
        exten =>
900,4,Dial(${DIALEXTENSIONS},${RINGTIMER},${DIAL_OPTIONS})

Now all works well.
 
So is there another option somewhere to keep asterisk from killing a
transfer without callerid?  This happened on both 1.4.17 & 1.4.18.1.
 
Thanks,
Ken
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2008/4/24 Ken Williams <ken at
intermountainelectronics.com>:
>
> Came upon a problem today that I thought I'd see if it's by design,
if I'm
> missing an option somewhere, or if my fix is the way to fix it.
>
> We setup a remote location with a server, same as we've done with
others,
> but for some reason when they would transfer an outside call anywhere it
> would pause for a few seconds and hang up the line.
>
> Well, after spending most of the day on it, it turns out it's because
they
> don't have callerID on the PSTN lines coming in through zaptel.  My
first
> thought was, set "usecallerid=no" and all would be well, but this
didn't do
> any good.  After playing a bit longer I just set the following:
>
>         exten => 900,2,set(CALLERID(num)="606-555-1212")
>         exten => 900,3,set(CALLERID(name)="Outside Call")
>         exten =>
900,4,Dial(${DIALEXTENSIONS},${RINGTIMER},${DIAL_OPTIONS})
>
> Now all works well.
>
> So is there another option somewhere to keep asterisk from killing a
> transfer without callerid?  This happened on both 1.4.17 & 1.4.18.1.
>
> Thanks,
> Ken
Can I guess that they are using snom phones with firmware 7.1.30? I
encountered exactly that bug here, but only if I enabled "sendrpid" in
the sip.conf of the asterisk system. Downgrading to a more-stable
6.5.x snom firmware, or disabling "sendrpid" for all of the snom
devices fixed this in our case. (Roll on the next snom firmware
release!)

If not, then can I suggest that you provide more detail of equipment
involved - PCI cards, handsets etc etc?

Hope that helps,
Steve