[outages] AT&T -> T-Mobile SMS?
paul at neoverve.com
Tue Aug 4 16:40:27 EDT 2009
On 08/04/2009 01:26 PM, Chris Adams wrote:
> Is anyone else seeing problems sending SMS from AT&T to T-Mobile (or
> other providers)? When my monitoring system sends a message (via a GSM
> modem with an AT&T SIM card) "Test page 3", AT&T accepts the message,
> but I get an SMS back in just a few seconds from 1121611611 that says:
> 1xxxxxxxxxx Error Invalid Number. Please re-send using a valid 10 digit mobile number or valid short code. Test page 3
> where xxxxxxxxxx is the 10 digit T-Mobile number I sent a message to.
> It looks like something on the network is prepending a "1" and then
> rejecting the message because of the "1".
I just sent an SMS to a T-Mobile phone from my ATT iPhone and had no issues.
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