South by Southwest Conference (SXSW) Attendees have been experiencing connectivity difficulties on AT&T’s 3G network. The “unprecedented” demand may have been the result of just that many people showing up with 3G iPhones.

AT&T expects services will be improved overnight and throughout the rest of the show. Mentioned through SXSW:

“To accommodate unprecedented demand for mobile data and voice applications at SXSW, we are actively working this afternoon to add capacity to our cell sites serving downtown Austin. These efforts are ongoing, but we anticipate that customers should see improved network performance this evening and for the remainder of the event.

We will continue to monitor network performance throughout the event, and will do everything possible to maximize network performance throughout.

We apologize to customers who were inconvenienced during this surge in local network demand.”

Thoughts are mainly that the network is being strained by an unusually high concentration of iPhone users. This then blowing out all things connectivity when attending the shows “interactive” segments. Maybe the attendees need to talk to each other?

[via SiliconValleyInsider]