This whitepaper examines the market potential for hardware add-in cards that interface open telephony systems with the PSTN (public switched telephone network). It also looks at trends driving businesses to adopt IP telephony systems based on several popular open source PBXs.

The paper was prepared by J Arnold & Associates, an independent telecom analyst and marketing consultancy, at the request of Sangoma, which makes a variety of telephone network add-in cards supported under Linux.

The evolving role of hardware as a key enabler of open source telephony in the business market

 
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