Sprint Pegs Oct. 2 as CDMA-Based PTT Service Launch
Replying to: International PTT roaming by rawvega
Re: International PTT roaming
"Additionally, in 2012, international push-to-talk calling to select countries will also begin rolling out to help support our current customers with international push-to-talk needs."
SOURCE: http://www.marketwatch.com/story/sprints-new- push-to-talk-service-sprint-direct-connect-to -launch-next-week-2011-09-27