CallYalla is the robust mobile application for experiencing high-end VoIP calling at low rates. CallYalla is available on iOS. End users who are frequently required to make long distance or international calls will find it cost-effective and reliable. The mobile application has intuitive UI with many user-friendly features making it the best choice for end users. It works well with all SIP standard softswitches.
What’s exciting?
* Low bandwidth consumption
* G729, PCMU, PCMA codecs
* Crystal clear voice quality
* Address book integration
* Jitter buffer implementation
* NAT traversal on Private IP
* SIP softswitch compatibility
Download CallYalla now and experience high quality VoIP calling.