Missed call communication protocol

Rod Whitby rod at whitby.id.au
Wed Feb 7 13:54:27 CET 2007

wim delvaux wrote:
> On Wednesday 07 February 2007 12:16:33 Richard Bennett wrote:
>> As far as I know there is no networks charge for a rejected call from a
>> mobile, and initiating a call from the openmoko to a number that always
>> returns a 'busy' would also be free of charge.
>> This gives us a free up/down communication channel that can take a payload
>> of 13 numbers in each packet.
>> What do you think?
> If this works I vote for it (for as long as it will work ...)  However 
> receiving SMS is also free no ? couldn't you use that ?

Sending an SMS is not free (at least not here in Australia).

Both initiating, and receiving, a missed call is free (as in beer) in

-- Rod

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