[Asterisk-Users] Leave one call to pick up another

[Andrew Thompson]

Eric Wieling wrote:
> On Thu, 2004-06-24 at 15:47, Brian Capouch wrote:
>> I have mailed the list on this topic, asked on the IRC channel, and
>> even called Digium.  I have two customers who are pretty upset about
>> this, and it hasn't helped my standing with them that I have so far
>> in several months not been able to help them.
>> 
>> It seems a simple request: I have a system with two X101Ps and a
>>   TDM30. Customer is talking on the phone, his Zap FXS interface
>> using one of the Zap outbound channels on a call to the PSTN.
>> 
>> Now, while the person is talking, a call comes in on the *other*
>> incoming Zap channel, and the customer can see on the CID display
>> that it's a call that they want to take.
>> 
>> Now the Rub: There appears to be no way to leave a call (as in hangup
>> and the call is torn down) and pick up the incoming one in this
>>   manner. The unfortunate and apparently ONLY way to get the call
>> coming in is 
>> to put the existing call on hold, but then that locks the line from
>> the perspective of the existing caller--they're on hold, not
>> disconnected, racking up LD charges. 
>> 
>> This is kind of a hard one to explain, but the situation is very
>> real and very difficult. 
>> 
>> I'd be eternally grateful if someone could explain how to do what we
>> need to do here. 
>> 
>> Thanks.
>
> How is this different from the way standard call waiting works when
> provided from your telco? 
> 

Um, he actually has two phone lines, not just one that he's flash-ing back
and forth between.

If he hangs up the line, does the second call not continue ringing? I take
it once he hangs up the line both calls are gone?

-----
Andrew Thompson
http://aktzero.com/