
ALLO-4PRI/ALLO-4PRIe/ALLO-2PRI/ALLO-2PRIe User Manual – Version 2.0
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Overview
Allo digital cards are telephony PCI & PCI-e cards used for open source Asterisk
based systems. ALLO-4PRI & ALLO-4PRIe are four ports ISDN PRI E1 or T1 PCI &
PCI-e cards respectively. ALLO-2PRI & ALLO-2PRIe are two ports ISDN PRI E1 or
T1 PCI & PCI-e cards respectively. Using Allo.com digital PRI card & open source
Asterisk PBX on a stand alone PC, users can create their IP PBX telephony solution
include all the sophisticated features of traditional PBX, and extend features such as
voicemail in IP PBX.
Features
• Four ISDN PRI E1/T1 ports (120 channels) or Two ISDN PRI E1/T1 ports (60
channels)
• Supports standard telephony and data protocols. (Including PRI protocol
families for voice and PPP, Cisco HDLC and Frame Relay data modes)
• 100% compatible all features of Asterisk PBX
• PRI ISDN protocol stack
• Suitable for 3.3 volts and 5.0 volts 32 bit PCI 2.2 slot & PCI-e x1 slot
Applications
• ISDN PRI IP PBX
• ISDN Least Cost Routers
• Voice over IP PRI termination gateways
• IVR system
• Call Center
• Traditional Calls/VoIP Calls Conference
• Callback Service
• ISDN Test Equipment
Hardware requirement
Least recommended hardware configuration
• 1.6-GHz Pentium IV
• 512 MB RAM
• 3.3V or 5V 32bit PCI slot (2.2) / PCI-e x1 slot (1.0a)
Card dimensions
15.4cm x 8.7cm x 1.8 cm
Software Installation
Allo.com Digital cards hardware are only supported under Linux. It requires drivers
and libraries which are not integrated with the Linux kernel.
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