An exemplary method includes a communication device maintaining multiple active communication sessions with multiple other communication devices, displaying, on a touch screen display, multiple graphical objects representing the multiple active communication sessions, detecting a pinch touch gesture provided by a user on the touch screen display in relation to the graphical objects representing the multiple active communication sessions, and initiating, in response to the pinch touch gesture, a merging of the multiple active communication sessions to form a merged active communication session. Corresponding methods and systems are also disclosed.