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What Is a Calling Line Identity (CLI)?

Contact Center Glossary > Calling Line Identity (CLI)

Calling Line Identity (CLI) Definition | TLDR

Calling line identity (CLI) is the telephone number or caller identification information transmitted from the caller's phone to the recipient's phone system, allowing the recipient to see the caller's number.

Calling Line Identity (CLI) Meaning

A Calling Line Identity (CLI), commonly known as Caller ID, is a telecommunications feature that enables the recipient of a phone call to identify the number and sometimes the name of the calling party before answering the call. CLI works by transmitting information about the caller's phone number through the telephone network to the recipient's phone. When a call is placed, the CLI data is sent along with the call signal, allowing the recipient's device to display the incoming caller's number.

What Is Calling Line Identity (CLI) in Telecommunications, and How Does It Play a Crucial Role in Modern Communication Systems?

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A Calling Line Identity (CLI), commonly known as Caller ID, is a telecommunications feature that enables the recipient of a phone call to identify the number and sometimes the name of the calling party before answering the call. CLI works by transmitting information about the caller's phone number through the telephone network to the recipient's phone. When a call is placed, the CLI data is sent along with the call signal, allowing the recipient's device to display the incoming caller's number.

CLI serves several practical purposes, including helping individuals to screen unwanted calls, such as telemarketing or spam calls, and to prioritize important or urgent calls based on the caller's identity. For businesses, CLI enables efficient call handling by allowing receptionists or automated systems to route calls based on the caller's identity or to display relevant caller information to employees handling customer inquiries or support requests. Overall, Calling Line Identity plays a crucial role in enhancing communication efficiency and helping individuals and organizations manage their incoming calls effectively.

FAQs

Yes, many phone service providers offer the option to block your Caller ID for outgoing calls. You can typically enable this feature through your phone settings or by adding a specific code before dialing the number.

Yes, caller ID spoofing is a technique used by some individuals or organizations to display a different phone number on the recipient's caller ID. This can be done using certain software or services available online, although it is often illegal when used for fraudulent purposes.

No, while CLI is designed to display the caller's phone number and, in some cases, their name, it may not always be accurate. There are instances where the information displayed may be incorrect or unavailable, especially if the caller is using certain services or techniques to mask their identity.

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