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T.38 Fax Over IP: What it is & How it Works
Fax machines have been a staple in offices for decades, allowing documents to be quickly sent and received over telephone lines. But with the rise of the internet and IP networks, an improved way to...
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What Is Full Duplex Communication?
Full duplex communication refers to the transmission of data in two directions simultaneously. It enables two parties to communicate concurrently, without having to take turns speaking. This is in...
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VoIP ATA: Analog Telephone Adapter
Voice over Internet Protocol (VoIP) has revolutionized the way we communicate. By sending voice conversations over the internet, VoIP allows us to make phone calls without traditional analog phone...
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E911: A Complete Guide
E911 is an emergency response and public safety system that links 911 callers to the appropriate emergency dispatch center. It also provides the 911 dispatcher with the caller’s phone number and...
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Ringdown Phones: Working, Uses & Limitations
A ringdown phone is a type of telephone that does not require dialing to make calls. Instead of using a keypad to enter a phone number, the user simply lifts the handset or presses a button to connect...
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SIP Proxy Server: Working, Types, Features & Benefits
The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, managing, and terminating real-time communication sessions over the Internet. SIP works in conjunction with other...
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What Is SIP Forking?
Session Initiation Protocol (SIP) forking refers to the ability of SIP requests to be simultaneously delivered to multiple locations. When a SIP request such as an INVITE is sent to a proxy server,...
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What Is Packet Switching?
Packet switching is a method of grouping data into packets that are transmitted over a digital network. Instead of establishing a dedicated circuit or channel between nodes, packet switching allows...
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What Is Echo Cancellation?
An echo is the reflected copy of an original sound that arrives at the listener with a delay. In voice communications, echo occurs due to impedance mismatch and is annoying to the users. Echo...
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iNum DID – The International Phone Number
In today’s globalized world, businesses and professionals need phone numbers that work across countries and regions. Traditional phone numbers are tied to specific locations and carriers, limiting...
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What is Regulatory Recovery Fee (RRF)
Telecom operators charge various fees from subscribers in addition to plan rentals and taxes. One such fee is the Regulatory Recovery Fee (RRF) which has become a controversial topic in recent years....
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Carrier Grade: A Complete Guide
Carrier grade refers to the stringent requirements for reliability, availability, serviceability, and scalability that telecommunications carriers demand from their network equipment vendors. Carrier...
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Click-to-Call: Working, Benefits & Use Cases
Click-to-call is a technology that enables a website or mobile app visitor to initiate a phone call by simply clicking a link or a button. The click triggers an automated call connecting the visitor...
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What is IP Conference Phones?
IP conference phones are advanced telephony devices that enable users to conduct conference calls over the Internet. Unlike traditional conference phones that rely on analog phone lines, IP conference...
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VoIP Cables: A Complete Guide
Voice over Internet Protocol (VoIP) has become an essential technology for affordable voice communications. By converting analog voice signals into digital data packets, VoIP allows for phone calls to...
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What is Sequential Ringing?
Sequential ringing, also known as serial ringing or linear ringing, refers to a call routing feature used in multi-line telephone systems. It involves ringing a series of phones in a predefined order...
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Virtual Extension: A Complete Guide
The world is becoming increasingly connected through technology, and virtual extensions are at the forefront of this change. A virtual extension refers to expanding the capabilities or reach of...
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What Is Switched Virtual Circuit (SVC)
A switched virtual circuit (SVC) is a connection between two devices that acts like a dedicated point-to-point link between them. It is called a “virtual” circuit because there is no dedicated...
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What is Quality of Service (QoS)?
Quality of Service (QoS) refers to the ability of a network to provide better service and performance to selected network traffic over various technologies. The primary goal of QoS is to provide...
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How Big Is a Byte (Kilo, Mega, Giga)?
In the world of computing, we deal with massive amounts of data regularly. From small text files to high-resolution images and videos, digital information comes in many sizes. To quantify these sizes...
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