Business Phone Systems PBX Systems 1 — Questions and Answers
Question 1: What does PBX stand for?
- Private Branch Exchange (Correct answer)
- Public Broadband Exchange
- Packet-Based Extension
- Primary Branch Extension
Correct answer: Private Branch Exchange
PBX stands for Private Branch Exchange, a telephone switching system used within a company to manage internal and external calls.
Question 2: What is the main difference between an IP PBX and a traditional PBX?
- IP PBX routes calls over an IP network instead of circuit-switched lines (Correct answer)
- IP PBX only supports internal calls
- Traditional PBX uses fiber optic cables
- IP PBX cannot connect to the PSTN
Correct answer: IP PBX routes calls over an IP network instead of circuit-switched lines
An IP PBX uses internet protocol to route calls over a data network, while traditional PBX uses dedicated circuit-switched connections.
Question 3: What is a DID (Direct Inward Dialing) number?
- A phone number that routes directly to a specific extension without going through an operator (Correct answer)
- A dial code for outbound international calls
- A hardware interface on a PBX chassis
- A voicemail box identification number
Correct answer: A phone number that routes directly to a specific extension without going through an operator
DID allows external callers to reach a specific employee extension directly by dialing their assigned phone number.
Question 4: What is an auto-attendant in a business phone system?
- An automated menu system that greets callers and routes them to the correct department (Correct answer)
- A physical receptionist desk phone
- A device that auto-dials outbound sales calls
- Software that transcribes voicemails to text
Correct answer: An automated menu system that greets callers and routes them to the correct department
An auto-attendant is an automated voice menu (IVR) that answers incoming calls and directs callers to the right extension or department.
Question 5: What is call parking in a PBX system?
- Placing a call on hold in a shared location so another extension can retrieve it (Correct answer)
- Transferring a call to voicemail
- Recording a call for compliance purposes
- Routing overflow calls to a backup line
Correct answer: Placing a call on hold in a shared location so another extension can retrieve it
Call parking places an active call on hold at a designated extension number that any authorized user can pick up.
Question 6: What does the term 'extension' mean in a PBX context?
- An internal phone number assigned to an employee or device within the PBX (Correct answer)
- An additional physical phone line from the carrier
- A license upgrade for the PBX software
- A hardware add-on card for the PBX chassis
Correct answer: An internal phone number assigned to an employee or device within the PBX
An extension is a short internal number assigned to a user or device that allows internal calls without using external phone lines.
What does PBX stand for?