[outages] AT&T -> T-Mobile SMS?

[Steve Ryan]

Not sure if it's related but, I used e-mail -> ATT SMS and my girlfriend 
got some of them immediatley while most of them were delayed for a few 
hours.  This went on around 11am PDT.

Typically, it's instantaneous.  Not sure if the delay was on Google's 
SMTP end, ATT's end, or both.

Paul Norton wroteth on 8/4/2009 1:40 PM:
> 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.
>