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