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PBX Manufacturers

IP PBXs XO Lab-Certified for Interoperability with XO SIP

XO lab certification assures businesses that XO SIP and an IP PBX work together seamlessly. IP PBXs from the following manufacturers have undergone XO’s rigorous lab-testing and certification process to ensure optimal performance when using the IP PBX with XO SIP.

	Allworx Request More Information Manufacturer's Website Press Release
	Avaya Request More Information Manufacturer's Website Press Release
	Cisco Request More Information Manufacturer's Website Press Release
	Digium Request More Information Manufacturer's Website Press Release
	NEC Request More Information Manufacturer's Website Press Release
	Panasonic Request More Information Manufacturer's Website Press Release
	Tobshiba Request More Information Manufacturer's Website Press Release

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Product Resources

XO® SIP Evolution

INTERNET TELEPHONY article, Enabling UC & Delivering ROI with XO® SIP