AudioCodes Mediant 3000 User Manual page 866

Function
OC-3/STM-1 PSTN
T3/DS3 PSTN
RS-232
Voice and Tone
VoIP Standards
Compliance
Voice Compression
(Independent dynamic
vocoder selection per
channel)
Silence Suppression
Echo Cancellation
Answer Detector
Answer Machine
Detector
DTMF & Tone Signaling
In-band/Out-of-band
Signaling
Gain Control
Session Border
Controller (VoIP
Security)
Fax Modem
Relay/ByPass
Stand Alone Survivability (SAS) Application
SAS
User's Manual
1+1 Protected STM-1/OC-3 interface. Two 155.54 Mbps single-mode
optical SFP transceiver module, using 1310 nm wavelength.
Note: Applicable only to Mediant 3000 with TP-6310 blade.
Up to three Mini-SMB T3/DS3 (44.736 Mbps, 75 Ohm coax) interfaces.
Supports depopulated configuration providing a single DS3.
Note: Applicable only to Mediant 3000 with TP-6310 blade.
One RS-232 serial interface for serial configuration

RTP/RTCP per RFC 3550/3551

DTMF over RTP per RFC 4733
G.711 PCM at 64 kbps µ-law/A-law; G.722; AMR; AMR-WB; EVRC;
EVRC-B (4GV); G.723.1 MP-MLQ at 5.3 or 6.3 kbps; G.726 at 32 kbps
ADPCM;
G.729 CS-ACELP 8 Kbps Annex A / B; G.729.1; GSM-EFR; GSM Full
Rate; iLBC; Microsoft GSM; Microsoft RTA (Narrow Band and
Wideband); Speex (Narrowband and Wideband);T.38 Ver. 3.

G.723.1 Annex A; G.729 Annex B

PCM and ADPCM: Standard Silence Descriptor (SID) with
Proprietary Voice Activity Detection (VAD) and Comfort Noise
Generation (CNG)
G.165 and G.168 2000 with 32, 64 or 128 msec tail length.
Answer detection
Detects whether voice or an answering machine is answering the call.
Note: When implementing Answer Machine Detector, channel capacity
may be reduced.

DTMF detection and generation per TIA 464B

MF-R1, MFC-R2, detection and generation

Call progress Tone detection and generation
Packet side, DTMF and tone detection and generation
Configurable

SIP Header conversion: IP to IP Routing translations of SIP, UDP,
TCP, TLS

Translation of RTP, SRTP; Support SIP trunk with multi-ITSP
(Registrations to ITSPs is invoked independently); Topology hiding;
Call Admission Control; Call Black/White list

Intrusion detection/prevention (NIDS); Anti SPIT & SPAM
mechanisms

T.38 (IP) Versions 0 & 3 fax relay for both T.30 and V.34 fax
transports

Fax bypass (switch to G.711)

Modem Bypass (including V.90)
SAS ensures call continuity between LAN SIP clients upon connectivity
failure with IP Centrex services (e.g., WAN IP PBX).
866
Specification
Document #: LTRT-89729
Mediant 3000