History of TelephonyCallGroup.hangUp() Revision history for: English (US) May 4, 2016, 1:03:51 AM chrisdavidmills Mozilla/Firefox_OS/API/TelephonyCallGroup/hangUp Mozilla/B2G_OS/API/TelephonyCallGroup/hangUp Previous Feb 11, 2016, 7:21:27 AM chrisdavidmills Previous Feb 10, 2016, 9:58:40 AM teoli Fixed sidebar Previous Feb 10, 2016, 9:23:03 AM teoli Web/API/TelephonyCallGroup/hangUp Mozilla/Firefox_OS/API/TelephonyCallGroup/hangUp Jun 4, 2015, 1:13:53 PM chrisdavidmills