Astribank and Telephony Modules Technical Documentation Manuals, Documentation, Data Sheets for Astribank and Telephony Modules: Xorcom IP PBX Documentation Astribank Documentation Astribank Manuals: Astribank User Manual Astribank On-Line User Manual How to Setup and Configure an Asterisk Server in Just 3 Minutes (on-line video) Data Sheets: Astribank Multi-PRI (6-16 E1/T1 ports in a single Astribank) e-Main telephony module E1 T1 PRI telephony module BRI ISDN telephony module FXO telephony module FXS telephony module 6xFXS + 2xFXO telephony module 6xFXO + 2xFXS telephony module Hardware Echo Cancellation Module: Application Notes (Astribank/Xorcom IP-PBX Configuration Recommendations) — Versión en español Hardware Echo Cancellation Mechanical Installation Instructions Hardware Echo Cancellation Software Installation Instructions