A-Z

We provide high quality SIP and IAX protocol based A-Z Termination service, please contact us for the latest rate information.

Features:

• Premium connection to countries all over the world for most clarified voice;

• Full SIP 183 Call In Progress message support for all destination countries, which give callers true remote call progress tone response before the call connected;

• RFC2833 support for DTMF tone forwarding to PSTN side;

• Support G.729, G.723.1, GSM, ILBC, G.726, G.711A/U Codecs;

Real-time online web billing system for CDR and Call Summary;