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C H A P T E R 8 : T E C H N I C A L S P E C I F I C A T I O N S
47
8
Technical Specifications
Capacity
Up to 60 independent digital voice ports.
Voice Compression
G.723.1 MP-MLQ @ 6.3 kbps / ACELP @ 5.3 kbps
G.729A CS-ACELP @ 8 kbps
G.711 PCM @ 64 kbps µ-law/A-law
G.726/G.727 16 to 40 kbps ADPCM and E-ADPCM
NetCoder®@ 4.8 to 9.6 kbps, 800 bps increments
GSM 6.10 @ 13 kbps
Silence Suppression
G.729 Annex B; G.723.1 Annex A; NetCoder®
PCM and ADPCM – Proprietary (AudioCodes) VAD and
CNG
GSM 6.10
Echo Cancellation
G.168, 30 msec
Gain Control
Programmable
VoIP IA Compliance
DTMF: mute, transfer in coder or in RTP payload
RTP/RTCP per RFC 1889/1890
In-band Signaling
DTMF (TIA 464B)
MF R1/R2, MFC, AC15, SS-4, SS-5
Call progress tones generation and detection
E1/T1 Interface
RJ-48 Connector, 120.Ohm
Supported PSTN Protocols
European ISDN PRI, North American ISDN, E1
CAS/MFR2 Protocols, T1 CAS/Robbed Bit Protocols.
Packet interface
On-board NIC or PCI; Selectable per port
Ethernet
10/100 Base-T, RJ-45 (used by card for RTP/RTCP)
Control Processor
Motorola PowerQUICC MPC860
Control Protocols
AudioCodes: MGCP TrunkPack API, TPNCP API,
VoIPLib API
Core DSP
AudioCodes AC48105A-C VoIP DSP
Maximum Power
3.0 A @ 5V without E1/T1, 128 channels
3.6 A with E1/T1
Physical
Full length, 32-bit PCI card, Rev 2.1, slave, 33 MHz
Table 8.1: E1/T1 interface board specifications. All specifications are subject to change without prior
notice [AUDI01].