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

[Steve Edwards]

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?"

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
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