[Asterisk-Users] call waiting from PSTN

[Bogdan Szlachcic]

I tried your solution with hanging up the current call, it works, but I'm
still trying to find a way to transfer hook flash to the second call.

Thanks for the tip

Bogdan

> On Jun 20, 2004, at 9:40 AM, asterisk-users-request at lists.digium.com
> wrote:
>
>> I'm trying to switch from one call to another incoming call from PSTN.
>> When I'm getting a "beep" I press flash but instead of swithing to the
>> second call, I'm getting a dial tone. even if I press *0, I cannot
>> connect
>> to the second call.
>>
>> Anybody had this problem?
>>
>
> This is one of the catches I ran across while working on a new
> deployment of * in my home. The workaround I've been using is to hang
> up on the first call, at which point whatever was beeping on call
> waiting will ring the line. The drawback is that you have to hang up on
> the current call to get the call waiting call.
>
> On the 2.x Sipura firmware there's an option for the device to send the
> hook flash event as a SIP message, but * doesn't know what to do with
> it. Support for this could be added by, for example, triggering a hook
> flash on the zap channel currently in use by the phone that sent the
> message. I haven't tried this on other phones, or looked in to this in
> any depth. I'm also pretty new to *, so I don't know how hard it would
> be for me to make a patch that would handle this.
>
> That said, I could be totally wrong and there is a way to get the hook
> flash to translate from the phone to a zap channel, but as far as I can
> tell, there isn't.
>
> --
> Seth "cave quid dicis, quando, et cui" Mattinen
> sethm at rollernet.us
>
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