Core features Signaling •SIP user agent compliant with RFC3261 •SIP/UDP, SIP/TCP, SIP/TLS •Supports IPv6 •Digest authentication •Supports multiple calls simultaneously with call management features: hold on with music, resume, transfer... •Multiple
The Adaptive Digital Technologies patented, industry standard, carrier class G.168 echo canceller isavailable on many DSP and general purpose processors.
The echo canceller is based on the MDF algorithm described in: J. S. Soo, K. K. Pang Multidelay block frequency adaptive filter, IEEE Trans. Acoust. Speech Signal Process., Vol. ASSP-38, No. 2, February 1990. We use the Alternatively Updated MDF (AU
1. System Restart 3 2. FORLOPP Error 3 3. Application Error 4 4. Hanging Devices and Calls 4 5. Signaling Problems 5 6. OMS statistics problem 6 7. HLR redundancy problem 6 8. MRBT related problem 7 9. USSD related problem 7 10. Announcement problem
If you have ever heard clipped speech, acoustic echo, or screeching feedback during a conference call, you've experienced an audio system in need of an Acoustic Echo Canceller (AEC). An AEC is a component of a hands- free communication system that f
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