<http://schema.org/description>
"UPDATE 2:\u00A0It seems we were on the right track with this. Google employee Dori Storbeck has confirmed SMS integration is coming soon, as well as outbound calls. She revealed the nuggets ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2013/05/16/googles-hangouts-service-will-rival-imessage-with-support-for-sms-google-play-listing-reveals/>