Crystal app for iPhone and iPad

4.0 ( 6400 ratings )

Business Productivity
Developer: Logflip

Free

Current version: 1.03.001, last update: 6 years ago
First release : 13 Jul 2017
App size: 44.41 Mb

Crystal is developed based on the requirements of VoIP Providers business needs. Compatible with all sip standard switches.
It has very efficient implementation of jitter buffer to play voice smoothly.
Silent suppression and comfort noise generation has been used to reduce the bandwidth usage, and this makes the dialer more efficient in making VoIP calls.