Quad T1/E1 with echo cancellation. Redfone's Second Generation TDM over Ethernet (TDMoE) bridge is built for maximum demand on Asterisk/Trixbox environments, providing high capacity and line distribution on T1/E1 lines.
Redfone foneBRIDGE2-EC Quad Port T1/E1 with Echo Cancellation Features:
Carrier Class ITU G.168 Compliant
Qualified as Toll-Quality in AT&T's Voice Quality Lab.
Industry Leading DSP Technology
Utilizes on board high-performance digital signal processing with TI's C6000™ DSP platform
Robust EC Performance
One of the highest EC processes available for Asterik, currently capable of canceling echo on over 100 current channels with 128msec (1024 taps) of echo tail.
Highly Flexible Configuration
Configurable on a per channel basis, with options to enable EC originating on the outside or inside network
Superior Voice Quality
Comfortable Noise Generator, automatic time search, sharp convergence and no divergence keeps in two conversations for the high cost EC available in the market today.
Field Upgradeable
Our high functional and powerful FPGA architecture allows users to quickly develop firmware in areas where product improvements and new features are locked.
Fax/Modem Interoperable
Tone disabler for clear fax/modem communication.
Standards
Echo Cancellation
- On-board High Speed Digital Signal Processing with TI's 6000™ DSP platform
- Adaptive Digital “carrier class” G.168.v8 patented echo canceller
- 128ms (1024 taps) of echo tail
- Comfort Noise Generator
- Automatic tail search, fast convergence and no divergence due to double talk
- Tone disabler for clear fax and modem communication
Telephony
- PRI Switch Compatibility – EuroISDN, AT&T 4ESS, DMS 100, Lucent 5E, NI1/NI2; Network or CPE
- Line Interface – Single, Dual or Quad T1/E1 (RJ45), per port configurable
- Line Encoding – AMI/B8ZS for T1, AMI/HDB3 for E1
- Super Frame (SF) and Extended Super Frame (ESF)
- Robbed Bit Signaling (RBS/CAS)
- Short and Long Haul line build out (LBO)
- Adaptive Equalizer for line attenuation conditioning
Ethernet
- 10/100-BASE-TX Half/Full-duplex
- 2 x Dedicated RJ45
Target Applications:
- T1/E1 PRI Trunk Termination
- Legacy PBX-to-Asterisk integration
- High-Availability/Failover Asterisk clusters
- Channel Bank connectivity
- Mixed telephony environments (ex. E1 PRIs + T1 Channel Banks)
- Blade Servers where PCI slots are not available
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