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Top » Catalog » Asterisk Cards » ISDN Cards » PRI/E1 (ISDN30) » D110P

OpenVox D110P 1-port ISDN PRI/E1 PCI
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OpenVox D110P 1-port ISDN PRI/E1 PCI
  • OpenVox D110P single port ISDN PRI PCI card
  • E1/T1/J1 mode selectable
  • Terminal Equipment (TE) and Network Termination (NT) mode support
  • 5 year warranty against hardware defects
  • 14 day money back guarantee
  • 30 day email support for technical installation issues
Product Overview
The OpenVox D110P is a half length ISDN (Integrated Services Digital Network) PRI (Primary Rate Interface) PCI (Peripheral Component Interconnect) card. The D110P provides a single span PRI/E1/T1/J1 port, which makes it an ideal cost effective option for small to medium sized enterprise applications. OpenVox are a Fonality® Authorized / Certified Ecosystem (FACE) partner and the OpenVox D110P is officially certified for use with Trixbox®.

The OpenVox D110P supports industry standard telephony and data protocols, including both Robbed-bit Signaling (RBS) and Primary Rate ISDN (PRI) protocol families for voice and PPP, Cisco HDLC, and Frame Relay data modes. The board drives both line-side and trunk-side interfaces, including call features. The OpenVox D110P is 100% hardware compatible with Digium® TE110P/TE120P and uses the same Zaptel/Dahdi wcte11xp device driver.

Standard PC (Personal Computer) hardware can be used along with D110P cards to provide a low cost migration path from legacy ISDN PBXs towards an Open Source IP PBX based solution. The D110P is compatible with leading open source IP PBX software such as Asterisk®, Trixbox®, and Elastix® (OpenVox are an Elastix® Strategic partner), which support all the sophisticated features of expensive high-end PBX/Voicemail platforms. Although developed primarily for Open Source IP PBX Asterisk® based applications, the D110P can be used for any Linux applications/systems that require ISDN connectivity, e.g. Linux ISDN firewalls, VoIP gateways and routers.
Feature Summary
  • E1 or T1/J1 mode selectable
  • ISDN PRI interface: 30 B channels (E1) or 24 B channels (T1/J1), 1 D channel for signalling
  • Terminal Equipment (TE) and Network Termination (NT) mode support
  • Supports both voice and data modes on its single span, e.g. the card can support 15 channels dedicated to voice for Asterisk/Trixbox and 15 to data
  • Meets international standards: Primary rate 2048 kbit/s according to ITU-T G.704 (E1) and 1544 kbit/s according to ITU-T G.704 and JT G.704 (T1/J1)
  • Integrated analogue receive and transmit circuitry for long/short haul applications
  • FIFO buffers (64 bytes deep) for efficient transfer of data packets
  • Hardware based HDLC controllers with support for bit stuffing, CRC check and generation, flag generation, flag and address recognition, and handling of bit oriented functions
  • Clock generator for jitter-free system/transmit clocks per channel
  • Full hardware and software compatibility: Compatible with most well known brands of open source computer telephony equipment
Data Signalling Modes
  • High-Level Data Link Control (HDLC) defined in ISO 13239
  • Cisco HDLC (cHDLC) developed by Cisco Systems
  • Point-to-Point Protocol (PPP) defined in IETF RFC 1661
  • Multilink PPP defined in IETF RFC 1990
  • Frame Relay defined in ITU Q.922 / Q.933 and ANSI T1.618 / T1.617
Voice Signalling Modes
  • EuroISDN (PRI or PRA) - Q.931/Q.921
  • NI1: National ISDN 1
  • NI2: National ISDN 2
  • 4ESS: Class 4 telephone Electronic Switching System (AT&T)
  • 5ESS: Class 5 telephone electronic switching system (Alcatel-Lucent)
  • DMS100: Digital Multiplex System 100 (Nortel)
T1 RBS / E1 CAS Support
  • Ear and mouth (E&M) wink start
  • Ear and mouth (E&M) channel signaling with feature group B support
  • Ear and mouth (E&M) channel signaling with feature group D support
  • FXO / FXS Groundstart
  • FXO / FXS Loopstart
  • FXO / FXS Loopstart with Disconnect Detect
  • Multi-Frequency Code R2 (MFC/R2) Signalling - Requires patch (
  • Signaling System #7 (SS7) - Requires OpenSS7 (
Technical Summary
  • Fully PCI 2.2 compliant: Auto-sense compatibility for both 5v and 3.3v PCI busses
  • 32bit / 33 Mhz PCI bus mastering: Direct Memory Access (DMA) for FXO/FXS serial module data exchanges across PCI interface at 132Mbytes/sec for minimum host processor intervention
  • Industrial Grade Surface Mounted Electronic Components: Minimal Signal Interference, Reduced Heat Transference and Increased Reliability
  • Solid tantalum capacitors: High volumetric efficiency/reliability, low Equivalent Series Resistance (ESR) and temperature stability over the range -55°C to +85°C
  • Crystal-less wander and jitter attenuation/compensation according to TR 62411 and ETS-TBR 12/13
  • Data and clock recovery using an integrated digital phase-locked loop
  • Maximum line attenuation up to -43 dB at 1024 kHz (E1) and up to -36 dB at 772 kHz (T1/J1)
  • Meets the following Jitter Specifications: ITU-T I.431, G.703, G.736 (E1), G.823 (E1) and AT&T TR62411 (T1/J1)
  • Uses latest RoHS compliant Infineon FALC®56 E1/T1/J1 Framer and Line Interface Component (PEF 2256 H V2.2)
  • Dimensions excluding PCI bracket (H x L x W): 64mm x 122mm x 15mm / 2.5 " x 4.8" x 0.6"
  • ROHS compliant: No lead in the Printed Circuit Board (PCB) or parts
  • Certificates: CE, FCC

This product was added to our catalog on Tuesday 24 August, 2010.


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