All
Images
Videos
Maps
News
Shopping
More
Flights
Travel
Hotels
Real Estate
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Invisible focusable element for fixing accessibility issue
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
3:43
What Is IP Telephony? How Does It Work?
Mar 2, 2020
nextiva.com
1:54
What Is Cloud Telephony & How Does It Work? ( 7 Benefits To You
…
Sep 17, 2020
nextiva.com
A Brief History of Telephony - Telnyx
Apr 23, 2018
telnyx.com
2:50
What Is IP Telephony? [ Most Common Protocols & Benefits] -
…
Apr 21, 2022
cloudtalk.io
What is IP telephony? What are the Businesses Use Cases?
Dec 2, 2021
techtarget.com
4:36
Telephony
208.2K views
Oct 1, 2016
YouTube
Have a Nice Life - Topic
1:01
Telephony
12.2K views
Sep 5, 2019
YouTube
Zoho CRM
13:12
Telephone Basics Part 1
135.7K views
Oct 15, 2012
YouTube
Ron Kipper From IDEAL
1:48
2001, Wikipedia/Encyclopedia
6.3K views
Nov 5, 2017
YouTube
Wikipedia Official
3:32
How Telephones Work†
142.8K views
May 9, 2017
YouTube
SerpentDagger
6:16
PSTN - Public Switched Telephone Network
121.3K views
Nov 25, 2018
YouTube
Sunny Classroom
10:03
AT&T Archives: Dialing the Nation
20.3K views
Jun 4, 2012
YouTube
AT&T Tech Channel
2:39
QI | Who Invented The Telephone?
109.3K views
Nov 29, 2016
YouTube
QI
5:09
What is SIP?
440.6K views
Nov 21, 2014
YouTube
sipsense.com
0:33
What is IP Telephony?
2.1K views
Nov 22, 2019
YouTube
Neotel
2:55
Relay Communication Services (TTY version)
94.7K views
Apr 22, 2013
YouTube
healthbridgesweb
54:03
Introduction to Telephone Systems
842.7K views
Feb 17, 2011
YouTube
Eli the Computer Guy
2:04
Hans Landa Evil Camaraderie
1.7M views
Mar 28, 2011
YouTube
mmakomike
14:54
AT&T Archives: We Make Telephones
19.9K views
Jan 6, 2012
YouTube
AT&T Tech Channel
3:14
Modern Telephone (1959)
1.5M views
Apr 13, 2014
YouTube
British Pathé
16:02
Lecture 25: Telephone System | Computer Networks
32.8K views
Sep 25, 2020
YouTube
Gursimran Singh Dhillon
2:17
What is a PBX?
150.7K views
Nov 15, 2018
YouTube
Continuant
6:40
A Brief History Of The Telephone
7.4K views
Feb 10, 2018
YouTube
MindMotion
11:34
AT&T: The Company Behind the Telephone
364.3K views
Sep 29, 2017
YouTube
Business Casual
12:43
Wikipedia - Behind the Encyclopedia
598.3K views
Jul 22, 2020
YouTube
Company Man
4:01
How Do Telephones Work? (Mr. Wizard)
186.2K views
Jun 19, 2013
YouTube
Official Mr.Wizard's World Channel
7:50
How does Industrial Wireless Communication Work?
83.5K views
Apr 27, 2020
YouTube
RealPars
46:02
Introduction to Telephony and Networks
49.4K views
Jul 16, 2016
YouTube
Digital Switching - I
37:47
Public Switched Telephone Network Lecture
24.7K views
Aug 26, 2013
YouTube
mrholverson
13:56
How an IP Phone Works!
31.6K views
Feb 13, 2021
YouTube
Rich Technology Group
See more videos
More like this
Feedback
Feedback