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I use SMS as a paging service. As a sysadmin, I need to get alerts from our monitoring systems at all times, and I need to get them immediately, so I have our systems set to send me an email that gets translated into an SMS, and I have my SMS alert tone set loud and unmistakeable (I use the "Loud Aria" tone).
Why am I telling you this? Well, I have discovered that there are no less than three different email addresses that will turn an email into SMS message(s) for my Cingular phone:
- mynumber@mobile.mycingular.com
- mynumber@mobile.mycingular.net
- mynumber@cingularme.com
All three of these will accept messages longer than 160 chars, but while the first two will split long messages into several shorter ones, resulting in several incoming alerts for a single incident, the cingularme address will then recombine up to five of those "submessages" into one longer SMS of up to 700 characters (including from, to, and subject). The downside is that anything after 700 is lost - the message ends with "More?" but there doesn't appear to be any way to say "yes"!
So obviously Cingular's systems are capable of transmitting longer SMS messages. I can only suspect that they artificially limit the size to increase the message count and thus the revenue generated from clients without unlimited messaging.
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