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2 FXS (Foreign Exchange Station), 6 FXO (Foreign Exchange Office) Telephony Line Interface Module
XR0126
The FXS (Foreign Exchange Station) telephony line interface is used to connect analog telephones (and in some cases legacy PBX) to the Asterisk PBX. Each FXS telephony line interface module (XR0024 or XR0045) has 8 FXS ports, which means it can drive up to 8 different analog extensions.
The Astribank unit can support up to 4 FXS modules, reaching up to 32 analog extensions. Many Astribank units may be used on the same server to easily create a system with hundreds of analog extensions.
The first (left-most) FXS telephony line interface module in each Astribank unit may be XR0045 (8 FXS + I/O option). In this specific card, in addition to the FXS ports there are also two RJ45 connectors featuring 4 input and 2 output ports. These ports can be used to activate/deactivate peripheral devices.

FXO (Foreign Exchange Office) Telephony Trunk Interface Module
XR0025
The FXO (Foreign Exchange Office) telephony trunk interface module (P/N XR0025) is used to connect analog telephone trunks (and in some cases legacy PBX) to the Asterisk PBX.
Each FXO telephony trunk interface module has 8 ports for 8 analog telephone trunks. The Astribank unit is cable of carrying up to 4 FXO modules supporting up to 32 analog trunks. FXO also supports fax, however, when using FXO and ISDN (BRI, PRI or R2 digital telephony) on the same system, the fax line must be connected to ISDN.
Xorcom CEO Quoted in Industry Article on VoIP Adoption by PSTN Users
Eran Gal, CEO and co-founder of Xorcom, was recently interviewed for an article published by SoftwareAdvice. The article, entitled "PSTN User Perspectives on IP Communications IndustryView | 2014" researched the VoIP adoption behavior of PSTN users. Below you'll find...
Clarifications About Digium R-Series vs Xorcom TwinStar Comparison
The best compliment a manufacturer can receive in any industry is to have another manufacturer publicly compare its products to theirs. It indicates there is a recognized leader in the industry for the specific area being compared. Such is the case with Xorcom and...
Vietnamese Ministry of Home Affairs Chooses Xorcom IP-PBX
We were very impressed with the many advanced telephone features of the Xorcom PBX, as well as its high stability, quick installation and implementation, and easy expansion possibilities." – Mr. Hoan, Deputy Chief Office Manager - MOHA The Ministry of Home...
Domestic Long Distance Rates Substantially Reduced for Marketing Research Firm
COMICON, an independent research company located in Kazakhstan, was eager to reduce the cost of their main activity -- telephone surveys. They wanted to preserve 12 existing analog lines while implementing a SIP-telephony and digital stream E1 connection. “The Xorcom...
XR1000 Now Supports 10 Concurrent Calls
We have just released a new version of our low-end appliance, the XR1000. Upgraded hardware in the new version allows each model in the series to support up to 50 users and 10 concurrent calls, irrespective of the codec used. Powered by a Celeron 1.2 GHz processor and...
Recent IP PBX news & updates:
New CompletePBX Release – 5.2.36.1
In this release:
This release contains important security updates, it is highly recommended to update the systems to this version as soon as possible.
Additional changes: user interface and auto provisioning enhancements, an option to add custom SIP header fields, and various bug fixes.
Xorcom welcomes Mucio Ahumada, our new Head of Hospitality & Channel Sales for North America!
Mucio will manage and build Xorcom’s channel partners in the USA & Canada. With extensive experience in telecom and hospitality solutions, Mucio has worked closely with both channel partners and hotel brands.
New CompletePBX Release – 5.2.35
In this release:
Passwords are now hidden by default, Zero Touch support for Xorcom UC Phones, and bug fixes.