AudioCodes Mediant 2000

User's Manual 698 Document #: LTRT-68822
Mediant 2000
Function Specification
Answer Detector
Answer detection
Answer Machine
Detector
Detects whether voice or an answering machine is answering the call.
Note: When implementing Answer
Machine Detector, channel capacity
may be reduced.
Call Progress Tone
Detection and
Generation
32 tones: single tone, dual tones or AM tones, programmable
frequency & amplitude; 64 frequencies in the range 300 to 1980 Hz, 1
to 4 cadences per tone, up to 4 sets of ON/OFF periods
Input Gain Control
-32 dB to +31 dB in steps of 1 dB
Output Gain Control
-32 dB to +31 dB in steps of 1 dB
Stand Alone Survivability (SAS) Application
SAS
SAS ensures call continuity between LAN SIP clients upon
connectivity failure with IP Centrex services (e.g., WAN IP PBX).
Max. Capacity
Registered Users (IP-to-
IP, SAS)
250
Transcoding Sessions
(IP-to-IP Application)
120
TLS Sessions
100
Fax and Modem Transport Modes
Real time Fax Relay
 Group 3 real-time fax relay up to 14400 bps with automatic fallback
 Tolerant network delay (up to 9 seconds round trip delay)
 T.30 (PSTN) and T.38 (IP) compliant (real-time fax)
 CNG tone detection & Relay per T.38
 Answer tone (CED or AnsAm) detection & Relay per T.38
Fax Transparency
Automatic fax bypass (pass-through) to G.711, ADPCM or NSE
bypass mode
Modem Transparency
Automatic switching (pass-through) to PCM, ADPCM or NSE bypass
mode for modem signals (V.34 or V.90 modem detection)
Protocols
VoIP Signaling Protocol
SIP RFC 3261
Communication
Protocols
 RTP/RTCP packetization
 IP stack (UDP, TCP, RTP)
 Remote Software load (TFTP, HTTP and HTTPS)
Telephony Protocols
 PRI (ETSI Euro ISDN, ANSI NI2, 4/5ESS, DMS-100, QSIG, Japan
INS1500, Australian Telecom, New Zealand Telecom, Hong Kong
Variant, Korean MIC)
 E1/T1 CAS protocols: MFC R2, E&M wink start
 Immediate start, delay start, loop start, ground start
 Feature Group B, D for E1/T1
In-Band Signaling
 DTMF (TIA 464A)
 MF-R1, MFC R2
 User-defined Call Progress Tones