iOS, iPad Air)
Beephon 2 by Beephon s.r.o. on the App Store (iPhone, iPad, iPod touch, iPad Mini, iOS, iPad Air)
by Beephon s.r.o.
Beephon is a SIP-based softphone for the iPhone and iPod touch and Ipad.
Continued use of soft phone running in the background can dramatically decrease battery life.