Nothing to keep you from using DTMF to represent the data you wish to
send either.
Do you mind telling us what the "few data packets" are for?
Thanks,
Steve
Steve Totaro wrote:
Tmobile charges $15/mo unlimited SMS it is $.05 or $.10 each with no
SMS plan. Not very expensive.
You could send the data in your callerid and use dialplan logic to
strip it out. I used to do that with UniqueCallIDs to remote call
centers so we could match up recordings (they would do the recording
filename by callerid) with CRM records later.
Thanks,
Steve
Michael Welter wrote:
Here in the states, we get charged for each SMS message. What I'm
looking for is a no-cost method to send a little data over a GSM
voice channel.
Alistair Cunningham wrote:
Michael Welter wrote:
I'm looking for a way to send a few data packets over the GSM voice
channel without having to subscribe to GPRS service. Can this be
done?
Thanks
Michael,
Have you considered using SMS, which is after all data over GSM? If
necessary you can encode your data using uuencode or your own coding
scheme.
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