[asterisk-users] How do I issue a Flash to Zap (PSTN) from SIP?

C F shmaltz at gmail.com
Sat Aug 2 21:51:17 CDT 2008


This is what I do:
/etc/asterisk/features.conf

[applicationmap]
inflash => *4,caller,Flash,()

outflash => *3,callee,Flash,()

in /etc/asterisk/extensions.conf
before accepting a call:
exten => s,n,Set(DYNAMIC_FEATURES=inflash)

on an outgoing call:
exten => _1XXXXXXXXXX,1,Set(DYNAMIC_FEATURES=outflash)

in incoming calls the user has to press *4
on outgoing calls the user has to press *3




On Sat, Aug 2, 2008 at 4:59 PM, Jim Duda <jim at duda.tzo.com> wrote:
> I've seen a few posts on this issue, however, no definitive answer.
>
> My PSTN is connected to Zap/4.  I have simple Call Waiting service on
> the PSTN line.
>
> All the other phones are SIP clients.
>
> When I'm on an Zap/SIP connection and another call comes in, I can hear
> the Call Waiting Tone on the SIP line.
>
> How can I issue a Flash/Hook to the Zap line in order to accept the
> other call?
>
> Also, is there any means to get Caller ID for the other call?
>
> I've seen posts that I can use *0 or *3 to send the Flash/Hook, however,
> that doesn't work for me.
>
> I realize there is a Flash( ) Dialplan function.  How can I use this
> Function in the Dialplan with a call which is currently in progress?
>
> Any advice is most appreciated.
>
> Jim
>
>
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