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A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration ...
There is an international format for recording a telephone number containing the country code, settlement code and telephone number, and the national format containing the settlement code and telephone number. To record Ukrainian telephone numbers, telephone codes for settlements do not have an initial zero, long-distance prefix: 0.
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Telecommunications billing is a significant component of any commercial communications service provider regardless specialization: telephone, mobile wireless communication, VoIP companies, mobile virtual network operators, internet service providers, transit traffic companies, cable television and satellite TV companies could not operate ...
• Premium Services - We list each Premium Service as a separate item on your bill. Your billing statement provides a detailed breakdown of the subscription fee, including benefits, required government taxes, and any additional fees. • Communication surcharges - We answer to a higher calling - the phone company. If you connect to AOL using a ...
Automatic message accounting (AMA) provides detailed accounting for telephone calls. When direct distance dialing (DDD) was introduced in the US, message registers no longer sufficed for dialed telephone calls. The need to record the time and phone number of each long-distance call was met by electromechanical data processing equipment.
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
Messages sent to a short code can be billed at a higher rate than a standard SMS and may even subscribe a customer to a recurring monthly service that will be added to the customer's mobile-phone bill until the user texts, for example, the word "STOP" to terminate the service. [4] [5]