Callbox Mobile is a free Callbox application, for mobile that allows the an extension installation for users to make and receive voice and video calls.
Main features :
• HD call with support for G.729, G.711U / A, G.722, G.726-32, GSM, iLBC codecs
• Video calls up to 1028P with H.264 and VP8
• 3-member voice conference
• Call in wait
• Call transfer
• Call History