Business Phone Systems Study Guide 2026

Everything you need to pass the Business Phone Systems exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.

📋 Business Phone Systems Exam Format at a Glance

75
Questions
90 min
Time Limit
70.00%
Passing Score

📚 Business Phone Systems Topics to Study (21)

✍️ Sample Business Phone Systems Questions & Answers

1. What is skill-based routing in a call center phone system?
Routes incoming calls to agents based on their specific skills or expertise that best match the caller's need

Skill-based routing matches callers to agents with the specific knowledge or language ability required to resolve their issue.

2. What is a night mode or after-hours schedule in a phone system?
A time-based routing rule that changes how calls are handled outside of business hours

Night mode automatically switches call routing to after-hours greetings, voicemail, or on-call numbers based on a configured time schedule.

3. What is extension-to-extension dialing?
The ability for employees to call each other using short internal numbers without consuming external phone lines

Extension-to-extension calls route entirely within the PBX, using no external lines and incurring no carrier charges.

4. Which protocol is most commonly used for signaling in VoIP systems?
SIP

SIP (Session Initiation Protocol) is the most widely used signaling protocol for establishing and terminating VoIP calls.

5. What is a conference bridge?
A service that allows multiple callers to join a single phone call simultaneously

A conference bridge is a server resource that connects multiple phone participants into a single audio call.

6. What is SRTP used for in VoIP?
Encrypting voice media streams

SRTP (Secure Real-time Transport Protocol) encrypts voice media streams to prevent eavesdropping.

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Your Business Phone Systems Study Path
1. Learn with Flashcards → 2. Drill Practice Tests → 3. Take the Full Exam Simulation