[asterisk-users] False answer() being sent by cellphone providers

[Mike Ely]

On 7/9/10 10:29 AM, "Mike Ely" <mikeely at amyskitchen.net> wrote:

> Some of the systems blokes might just figure that¹s another collections agent
> and hang up then ;)
> 
> 
> On 7/9/10 10:09 AM, "Steve Edwards" <asterisk.org at sedwards.com> wrote:
> 
>> On Fri, 9 Jul 2010, Mike Ely wrote:
>> 
>>>> I've set up an outbound alerting system to play a recording when systems go
>>>> down, etc. and I'm noticing that cellphones tend to answer() and then start
>>>> ringing the actual handset.  So far, I've verified this behavior with
>>>> Verizon, T-Mobile, and Google Voice (the last produces a SERIOUS delta
>>>> between bogus answer and actual answer).
>>>> 
>>>> Has anyone figured out how to detect the actual cellphone answer rather
>>>> than 
>>>> the bogus one sent by the cell carrier?  In the short term, I just have the
>>>> call play MOH for ten seconds before announcing that all hell has broken
>>>> loose in the server room, but it¹d be nice to have something a bit more
>>>> accurate and reliable.
>> 
>> How about a loop with "Please press pound to continue?"
> 
> 
Sorry, bad joke.  In all seriousness though, is there not a way to detect
this behavior and handle the answer() correctly?