Gaylord Texan Resort & Convention Center Fourteen IP is pleased to welcome the Gaylord Texan Resort & Convention Center by Marriott in Texas to the Evolution Voice Hosted Telephony Service. Everything is bigger in Texas and that undoubtedly includes Gaylord Texan Resort & Convention Center. Standing on the shores of Lake Grapevine with 4.5 acres of indoor gardens, 10 restaurants, seasonal water park and two pools, this is a resort that could only make its home in The Lone Star State.