6th edition • published 2022
7" x 10" softcover or hardcover textbook • 550 pages • printed in color
ISBN 9781894887113 (softcover) • ISBN 9781894887120 (hardcover)
Free preview available via the Amazon "look inside" function
eBook (ISBN 9781894887137) available from:
All Major Telecommunications Topics covered ... in Plain English. Packed with up-to-date information and covering all major topics. Telecom 101 is an authoritative day-to-day reference and an invaluable textbook on telecom.
Updated and revised throughout, Telecom 101: Sixth Edition includes the materials from the most recent version of Teracom's popular Course 101 Broadband, Telecom, Datacom and Networking for Non-Engineers, and more topics.
Telecom 101 serves as the study guide for the TCO, Telecommunications Certification Organization, Certified Telecommunications Analyst (CTA) certification, including all required material for the CTA Certification Exam, except the security module.
Telecom 101 brings you completeness, consistency and unbeatable value in one volume.
Our philosophy is simple: Start at the beginning. Proceed in a logical order. Build concepts one on top of another. Speak in plain English. Avoid jargon.
Knowledge and understanding to last a lifetime... Build a solid base of structured knowledge and fill in the gaps. Cut through the doubletalk, demystify the jargon, bust the buzzwords. Understand how everything fits together!
The ideal book for anyone needing an understanding of the major topics in telecom, IP, data communications, and networking. Clear, concise, organized knowledge ... available in one place!
Ask the person who can’t reach you to call you while you are near the landline. When their call hits the block, listen carefully. Sometimes you will hear a message like: “The person you are calling is not accepting calls at this time.” More importantly, check your landline’s or "Missed Calls." If the call was blocked, it often still appears in the history with a small icon (like a lock or a circle with a line through it). You can usually unblock it directly from that log entry. A Final Check: Is it Really Blocked? Before you spend an hour troubleshooting, rule out other issues. If the person gets a busy signal every time: You likely blocked them. If the person gets no answer or goes to voicemail: Do not disturb might be on, or the ringer is simply off. The Takeaway Unblocking a landline is usually a 30-second fix. Start by checking your physical handset’s menu, then try the star code *80 , and finally check your provider’s app.
Once you unblock the number, have the person call you back immediately to test it. You should hear a normal ring. how to unblock phone number on landline
If you’ve accidentally blocked a number (or purposely blocked one and now regret it), don’t panic. Unblocking a landline is different from unblocking a cell phone, but it is usually very simple. Ask the person who can’t reach you to
Have you ever accidentally blocked your boss or mother-in-law? Share your story in the comments below You can usually unblock it directly from that log entry
Ask the person who can’t reach you to call you while you are near the landline. When their call hits the block, listen carefully. Sometimes you will hear a message like: “The person you are calling is not accepting calls at this time.” More importantly, check your landline’s or "Missed Calls." If the call was blocked, it often still appears in the history with a small icon (like a lock or a circle with a line through it). You can usually unblock it directly from that log entry. A Final Check: Is it Really Blocked? Before you spend an hour troubleshooting, rule out other issues. If the person gets a busy signal every time: You likely blocked them. If the person gets no answer or goes to voicemail: Do not disturb might be on, or the ringer is simply off. The Takeaway Unblocking a landline is usually a 30-second fix. Start by checking your physical handset’s menu, then try the star code *80 , and finally check your provider’s app.
Once you unblock the number, have the person call you back immediately to test it. You should hear a normal ring.
If you’ve accidentally blocked a number (or purposely blocked one and now regret it), don’t panic. Unblocking a landline is different from unblocking a cell phone, but it is usually very simple.
Have you ever accidentally blocked your boss or mother-in-law? Share your story in the comments below
eBook (ISBN 9781894887137) available from:
Teracom Training Institute Telecommunications training, live online and in-person telecom training seminars, online self-study courses and free tutorials
Telecommunications Certification Organization How to get certified in telecommunications, wireless technology, and voip
Telecommunications in Canada The history and overview of telecommunications in Canada
