Allo.com 2aCP8e series Snelle installatiehandleiding - Pagina 5
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Pagina afdrukken8 Port PRI Card- Quick Installation Guide
1. Introduction
The Allo 2aCP8e/2aCP8eL series cards are T1/E1 PRI Cards designed for voice applications. The
Cards series are as follows.
Model No
2aCP8e
2aCP8eL
2. Overview
The Allo 2aCP8e (8 ports PRI Card) series supports industry standard protocols including
Channel Associated Signaling (CAS), SS7 Signaling, PRI switch Compatibility and Interoperable
with Asterisk, FreeSwitch, and Elastix etc.
The 2aCP8eL Series cards are ideal for connecting phones to a channel bank, T1/E1 switches,
or connecting to a legacy PBX. The Y-adapter dongle allows twice the amount of spans to fit
in a single PC slot and taking up less space to allow for more peripherals. Designed to be fully
compatible with existing software applications and integrate fully with Asterisk platform, the
2aCP8eL series cards allow many advanced call features. In this manual, we used 2aCP8eL PCI
Express card. These are identified collectively as the 2aCP8eL series cards throughout this
manual.
2.1 Hardware Echo Cancellation
Users connecting their 2aCP8eL series cards to the PSTN or other devices are likely to be
placing calls. Elimination of this echo is the responsibility of echo cancellation. Allo uses
Octassic DSP based hardware echo canceller with 128ms tail length.
The Allo 2aCP8e (8 ports PRI Card) series cards equipped with Asterisk is to perform software-
based echo cancellation. Asterisk maintains a number of open source echo cancellers. These
open source echo cancellers provide a moderate level of echo cancellation, but not capable of
dealing with higher levels or more advanced echoes.
www.allo.com
Product Description
8 Port PRI PCIe card
8 Port PRI PCIe card with Line Echo Cancellation
Version 2.1
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