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Caudalfin 1 Port PRI Card

Quick Overview


  • Single Span E1/T1/J1 Card (PCIe)

  • Easy Installation (no patches required)

  • Optional Hardware echo cancellation

  • Compatible with Linux and Window OS

  • Superior voice quality


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CaudalFins’s CF-4201 series PCIe cards are high-performance, cost effective telephony cards available with carrier grade optional hardware echo cancellation. The CF-4201 cards allows up to 24 (T1) or 30 (E1) channels.  Unique hardware architecture enables superior performance at a low price point to enable small and medium business to fully leverage Unified Communication solution at a superior value proposition compared to competng solutions.  CaudalFin™ digital cards are designed to work with Open Source based VoIP platforms such as Asterisk® (e.g. PBX in a Flash®, FreePBX® Elastix®) & FreeSWITCH®.



Technical Specification

Brand Caudalfin
Number of ports Single Span E1/T1/J1 Card (PCIe)
Channel / Concurrent calls Upto 30 Voice Calls
Operating System

Linux Kernel : 2.4 to Latest
Windows : XP/Vista/Win7

Apllication  Legacy PBX/IVR Services

VoIP Services

Complex IVR Applications

Conference Bridges

VoIP Gateways

Calling Card Platforms

PRI Switch Compatiblity : Network or CPE

Voice Tapping

Dimension 126 mm X 56 mm

Additional Information

key note Single Span E1/T1/J1
Manufacturer CaudalFin
  1. Very good review by Balaji on 9/19/2021
    Overall Rating

    PCIe capable and single step installation. Good.

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