>"tscottme" <blahblah@blah.net> wrote in message
>news:fqidnSkQY9gQtZjYnZ2dnUVZ_tydnZ2d@comcast.com ...
>I routinely send/receive SMS from my Verizon phone to people on other
>networks, Cingular, Cricket, Sprint in the USA. I don't think any of the
>people I exchange SMS are GSM users.
>
> --
>
> Scott

Cingular is GSM, as is IIRC, Cricket.

To the OP. Yes it is possible to send inter-carrier
messages.

--
Andrew D. Sisson
LG VX8100 VZW AC II SINCE APRIL 1993
SAMSUNG X497 CINGULAR NATION SINCE MARCH 2006