There are countless programs to run or assist a PBX server. The factors that determine what kind of PBX software a business might need are:
- PBX system type
- operating system
- hardware present
- VoIP service compatibility
Types of PBX SystemsOff-Premise
IVR, still require software.
Asterisk or similar telecommunication server technology to replace hardware functions.
ComponentsVoIP software for individual types.
Proprietary vs Open SourceProprietary systems are owned by one company, and usually (though not always) cost money. Open source software, on the other hand, is free to download, modify, and develop.
Large telecommunication companies like Cisco Systems dominate the market for network and servers. A popular open source alternative is Asterisk, though it too is held by a single company (Digium, Inc).
Lists of PBX Software
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