What is the disadvantage of replacing an existing pbx tie


Question: 1. What is the disadvantage of replacing an existing PBX tie line with a VoIP network?

2. List two advantages of upgrading the PBX to support VoIP.

3. What does it mean for a company to switch to a complete IP solution?

4. What are three QoS issues for a VoIP network?

5. What causes jitter in the received signal?

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Computer Networking: What is the disadvantage of replacing an existing pbx tie
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