The LyriX GD2EP brings a high-performance, cost-effective, and flexible double span E1/PRI interface of telephony devices. The LyriX GD2EP is a compact and powerful interface supporting voice and data transmission over E1 and PRI connections.

The LyriX GD2EP supports industry-standard telephony and data protocols, including Primary Rate ISDN (PRI) protocol for voice and Cisco HDLC, PPP and Frame Relay for data transmission.

The LyriX GD2EP can be used to deliver a wide range of PBX and IVR services to the network or handset including Voicemail, Call Conferencing, Three-Way Calling, and VoIP Gateways.

Target Applications

• Packet Voice Gateways and Switches
• Calling Card Services
• One Number Service
• Message Services
• Conferencing
• Customized and Web Telephony
• Voice/Data Integration
• Future-Proof PBX
• ISDN Remote Access Servers

PRI Switch Capability

• Euro ISDN
• Network or CPE

CAS Voice Modes

• A-Law, Mu-Law, and Linear Modes Supported
• E&M
• E&M Wink
• Feature Group D
• Groundstart (FXO and FXS)
• Loopstart (FXO and FXS) with Optional Disconnect
• Supervision

Data Modes

• Sync PPP (both Fixed and Dialup)
• Frame Relay
• Cisco HDLC

Services and Features

• Caller ID
• Transmission/Reception Pseudo-TDM
• Conferencing with Zaptel Channels
• Digital Gain Control (Transmit and Receive)
• Dynamic Span Interaction (TDM over Ethernet)
• Echo Canceller
• ISDN RAS Capability
• Local and Remote Loop Backs
• Pseudo-TDM Bus Architecture Keeps Latency Low
• Supports Same Span Voice and Data
• Tone Internationalization (Tone Zones)

Hardware and Software Specification:

Single Processor Pentium IV Xeon 1.8 GHz, Memory 512 MB, HDD SCSI 20 GB, 2 E1 Card, 60 G.729 Codec License, Linux 2.4 Kernel

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