Go back to CT0-101 - CompTIA Convergence+ Certification Exam

Question :-

The main benefit of selecting VoIP products that support standard protocols is that:
PBX software from one vendor can be installed on PBX hardware from a different vendor.
systems can be customized by integrating software and hardware from multiple vendors.
deploying multi-vendor systems eliminates having a single point of failure.
products using standard protocols deliver the best performance at the lowest price.

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