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![What is a PBX Phone System? Features, Benefits [2023] - Nextiva](https://www.nextiva.com/blog/wp-content/uploads/sites/2/hosted-pbx-vs-sip-trunking-diagram-1.jpg "What is a PBX Phone System? Features, Benefits [2023] - Nextiva")
What is a PBX Phone System? Features, Benefits [2023] - Nextiva
