Buckingham Palace Tickets. Buckingham Palace is the most iconic royal building in the country. It is the London residence of Her Majesty The Queen and is one of only a few working royal palaces left in the world. Adult: Â£23.00. Over 60/Student (with valid ID): Â£21.00.
Enhanced PTT is available for AT&T Wireless customers only and cannot be used with international roaming. Continued use of GPS running in the background can dramatically decrease battery life. For more information on getting started with AT&T Enhanced PTT, visit http://www.corp.att.com/enhanced-push-to-talk/iphone.
(Push-To-Talk) PTT is a two-way communication service that works like a walkie talkie. A normal cell phone call is full-duplex, meaning both parties can hear each other at the same time. PTT is half-duplex, meaning communication can only travel in one direction at any given moment; only one person can be heard at a time. To control which person can speak and be heard, PTT requires the person speaking to push a button while talking and then release it when they are done (hence the term Push To Talk.)