Twilio.com isn't free, but it's darn easy to use from GAE, for two-way
texting or even voice.
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Thanks, guys. 3 cents per message does not sound like much, but it is
not scalable.
I set this up sending SMS via email. A couple of warnings for
everyone:
1) AT&T does not auto-truncate the message to 160 characters, so you
must write a script to do that. If you don't, AT&T breaks it up into
I worked with SMS (outgoing and incoming) a few years ago. 3 cents is,
believe it or not, the ballpark going rate (it was 5-10 cents then). You can
negotiate a bulk deal with various SMS gateways if you're big, but it's
never going to be as cheap as email. The silver lining is that it prevents
SMS
And if you know that SMS traffic does not cost any bandwidth for the
provider it should be as cheap as email.
SMS messages are transmitted over the network in the slots used for
network management. When there are no management messages to be send.
That is the reason they are limited in length, thes
I'm not stating that SMS delivery isn't cheap. It is. Someone along the way
between users and your application - either SMS gateway providers or telcos
or both - are making huge profits. Just because a service is inexpensive to
provide doesn't mean anyone has to provide the service for cheap.
I'll
I work for a telco and I can tell you that sms is by far the highest profit
margin product we have. It's not going away either, even with the smartphone
revolution. Just like fax machines can't seem to die, sms is going to be the
simplest, surest way to get a message to a cell phone for a while to
mobile transaction networks or mobile commerce service providers such
as mBlox, OpenMArket, and Ericsson/IPX are really just aggregators
that serve as gateways between you and your customers. they maintain
relationships with the telcos so you don't have to as that is another
ball of wax that you do
