Which of the following is an advantage of upgrading the PBX to support VoIP?
a. Both PSTN and IP network voice traffic are supported.
b. Data traffic is easily integrated with the telephone system.
c. Existing telephone hardware needs to be replaced.
d. Both a and b
d. Both a and b
Explanation: The advantages and disadvantages of upgrading the PBX to support VoIP follow:
Advantages Disadvantages
Conventional telephones now work with telephony, so existing telephone hardware doesn't need to be replaced. The cost of upgrading the PBX must justify the potential benefit.
Both PSTN and IP network voice traffic are supported. Quality of service issues still exist.
Data traffic is easily integrated with the telephone system.
Data traffic is easily integrated with the telephone system.
The IP telephones can use existing computer network twisted-pair cable and RJ-45 wall plates to connect the new IP telephones.
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