STN Talk app for iPhone and iPad

STNTalk gives you premium call quality to both online and offline phone numbers, messaging to any number in the world.

STNTalk facilitates easy and effective communication management with an intuitive interface that allows multiple voice and video calls. Our call functionality includes the ability to switch between two calls, merge and split calls, and perform attended and unattended transfers.
With its advanced security encryption settings, it allow for secure call signaling and audio encryption and supports up to 1080P video call with H.264 and VP8 codec and supports HD audio call.
Codecs offered include G.279, G.711a/u, Opus, AMR, AMR-WB, G.722.1, iLBC, GSM, SPEEX-WB