Understanding Interexchange Carrier Basics and Operations

An interexchange carrier is a company that provides long-distance telephone service, connecting calls between different local exchange carriers. They're the backbone of the US phone network.

Interexchange carriers operate on a vast network of fiber-optic cables, microwave links, and satellite transmissions to facilitate communication between distant locations. This infrastructure is incredibly complex.

To provide service, interexchange carriers lease space on local exchange carriers' networks, allowing them to reach a wider audience. They also have their own networks, which they use to connect calls.

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A carrier is a company that provides services to transport and deliver data, voice, and video communications over long distances.

Interexchange carriers are the primary carriers that connect different local exchange carriers to form a network.

These carriers have their own networks and infrastructure to transport and deliver communications services.

They use a variety of technologies, including fiber-optic cables, satellite links, and microwave transmission.

Carriers often provide a range of services, including voice and data transmission, internet access, and television.

Their services are used by businesses and individuals to communicate with each other over long distances.

Interexchange carriers play a crucial role in the telecommunications industry, connecting different local exchange carriers to form a national network.

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As an interexchange carrier, having a robust network and connections is crucial for providing top-notch services to customers.

The demands of video/multimedia services will require considerable expansion of "intelligent network" functionality.

IXCs have already made great progress in network intelligence and functionality in the last decade, but there's still room for improvement.

To meet the growing needs of customers, interexchange carriers will need to implement more sophisticated network intelligence and functionality.

This will enable features like "find me anywhere, anytime" and sophisticated billing services, which are becoming increasingly essential.

Interexchange carriers must have access to this monopoly functionality, especially in bottleneck portions of the network, to remain competitive.

Interexchange carriers are heavily regulated to ensure fair competition and reliable service. They must comply with the Communications Act of 1934 and the Telecommunications Act of 1996.

To operate as an interexchange carrier, companies must obtain certification from the Federal Communications Commission (FCC). This involves meeting specific requirements and demonstrating technical capabilities.

Carrier Identification Code is a four-digit code assigned to each carrier, used for feature groups. It's also known as the Carrier Identification Code (CIC).

Each carrier has a unique CIC, which helps identify them. The CIC is used to route calls to the correct carrier.

In the past, CICs were only three digits long, but they were extended to four digits in 1998. This change affected existing carriers' codes, which were prefixed with 10.

Existing carriers' codes were prefixed with 10, resulting in a new format of 101-0XXX. This change helped accommodate the increased number of carriers.

Some CICs are well-known and widely used, such as 10-10-321 and 10-10-220. These codes allow users to opt for a different carrier on a call-by-call basis.

The Carrier Access Code (CAC) is used to dial around the presubscribed interexchange carrier (PIC). The CAC consists of the digits 101 followed by the four-digit CIC.

Here are some examples of CACs:

To get certified as a carrier, you'll need to meet specific requirements. The Federal Motor Carrier Safety Administration (FMCSA) sets the rules for carrier certification.

The FMCSA requires carriers to have a physical address in the United States, not just a PO box. This ensures that carriers can be held accountable for their operations.

Carriers must also have a valid USDOT number, which is assigned by the FMCSA. This number is used to track and monitor carrier activities.

Carriers must have a minimum of $750,000 in liability insurance coverage. This is to ensure that carriers can compensate for any damages or losses they may cause.

The FMCSA also requires carriers to undergo a safety audit and inspection process. This process evaluates a carrier's safety record and compliance with regulations.

Carriers must also have a qualified safety manager on staff. This person is responsible for ensuring that the carrier complies with all safety regulations and standards.

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Interexchange carriers are subject to presubscribed interexchange carrier charges, which were outlined in a Federal Communications Commission document published on March 15, 2005.

These charges were specified in a 5-page document, FCC 05-32, which was part of CC Docket No. 02-53. The document was published in the Federal Register and can be found in its official electronic format.

The document details, including the agency, docket number, and CFR chapter, can be found in the document sidebar or in the document details section.

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Presubscribed Charges can be a complex topic, but let's break it down. The Federal Communications Commission (FCC) published a document in the Federal Register, which is a government publication that outlines new rules and regulations.

The document, FCC 05-32, was published on March 15, 2005, and it's a rule that affects Presubscribed Interexchange Carrier Charges. This rule is part of a larger document that's 5 pages long.

The document has a specific agency number, CC Docket No. 02-53, and it's related to the CFR47 CFR chapter undef. It also has a document citation, 70 FR 12601, and a document number, 05-5058.

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Network Intelligence and Management are crucial for Interexchange Carriers (IXCs) to meet the demands of advanced services like "find me anywhere, anytime" and sophisticated billing services.

IXCs have made significant progress in network intelligence over the last decade, but the increasing demand for video/multimedia services and value-added features will require further expansion of "intelligent network" functionality.

The requirements of services like call routing dependent on time or day, store and forward, and messaging will continue to drive the need for more sophisticated network intelligence and functionality.

IXCs will need to implement this functionality in a way that ensures all providers have access to it, as any bottleneck portion of the network will create a monopoly situation.

Call handling is a crucial aspect of an interexchange carrier's operations. An interexchange carrier handles traffic between telephone exchanges, identified by the three-digit area code (NPA) and the central office prefix.

Telephone exchanges generally serve different geographic areas. This is why you might have different area codes for different parts of the country.

IXCs use Tandem switches and SS7 signaling or softswitches and VoIP protocols for voice traffic transfer. This allows for error correction and efficient communication.

This technology enables connections between VoIP, POTS, computer to computer, computer to phone, and Internet Protocol devices to other phone services.

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