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What systems are compatible with Nextiva PBX?

Nextiva can host to a variety of different PBX systems. Specifically, Nextiva caters to typically any “SIP PBX” option. Nextiva cannot directly support any analog-based PBX systems. Below, we have included a list of recommended PBX systems.

With any PBX platform, it is necessary to have a local administrator capable of registering and connecting the PBX system to Nextiva’s trunking service.

NOTE : Due to the multitude of available PBX systems capable of connecting to Nextiva’s SIP trunking service, our technical support is limited in nature to any features, setup or information relevant to ensure a fully functional PBX. Nextiva has information that will help you register your local PBX to our SIP service. Any questions regarding the functionality of the PBX would be better directed to the manufacturer of the PBX.

PBX Systems capable of connecting to Nextiva’s SIP trunking service:

  • SwitchVox
  • TrixBox
  • Elastix
  • 3CX

If you have questions regarding Nextiva’s SIP trunking solutions, please contact our Amazing Service team at 800-285-7995 from 5:00am – 6:00pm AZ time Monday-Friday, or Saturday from 9:00am – 1:00pm AZ time. Or, simply email us at

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