Mediant 4000B SBC - upgrade license - 1000 additional sessions

The AudioCodes Mediant 4000 is a Session Border Controller (SBC) designed for deployment in large organizations and as an access SBC for service providers. Supporting up to 5000 concurrent sessions, the Mediant 4000 supports extensive SIP connectivity with wide-ranging interoperability, enhanced perimeter defense against DoS attacks, and advanced voice quality monitoring.