Use Session Initiation Protocol.
Support G729, AMR, ILBC, GSM, G711 codec.
Compatible with EDGE, GPRS, Wi-Fi & VPN Access points.
Consumes very low bandwidth (10kbps) on g.729 codec.
Improved Jitter Buffer for low speed internet.
Dynamic PTime negotiate with remote endpoint.
Scalable Mediation Platform.
NAT Traversal or Private IP address.
KEY FEATURES OF RINGER DIALER
User friendly interface.
Crystal clear voice quality.
Flexible integration with your Phone Book contacts.
Compatible with all Soft Switches, supporting SIP.
Unpredictable Branded Dialer offering on demand customization.
Most satisfactory Anti-Block Solution.
QoS for VoIP Calls.
No extra Balance server is required.
Dialed/Received Call History.
It works from any block or unblock country as UAE, OMAN, KSA etc.