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In North American telephony, VSCs were developed by the American Telephone and Telegraph Company (AT&T) as Custom Local Area Signaling Services (CLASS or LASS) codes in the 1960s and 70s. Their use became ubiquitous throughout the 1990s and eventually became a recognized standard. As CLASS was an AT&T trademark, the term vertical service code ...
ETSI and 3rd Generation Partnership Project (3GPP) standards, such as GSM and LTE, define supplementary service codes that make it possible to query and set certain service parameters (e.g., call forwarding) directly from mobile devices.
EW-10000 to EW-99999 (ex-Soviet Union registrations)EW-100AA to EW-999ZZ (aircraft in general, except those listed below) EW-200PA to EW-299PA (reserved for Boeing 737 aircraft)
This list includes all the SIP response codes defined in IETF RFCs and registered in the SIP Parameters IANA registry as of 27 January 2023. This list also includes SIP response codes defined in obsolete SIP RFCs (specifically, RFC 2543), which are therefore not registered with the IANA; these are explicitly noted as such.
Saginaw Transit Authority Regional Services (STARS) is the operator of public transportation in Saginaw, Michigan. Ten local routes service the metropolitan area, and about a million passengers use the agency for transport each year. [1] On July 14, 2023, a new route to Frankenmuth was inaugurated. [2]
The codes are in the form of two letters and/or digits which are appended to the aircraft's model designator, as seen in the following examples: A Boeing 377-10 ordered by Pan American World Airways with customer code 26 would be designated 377-10-26. [1] [note 1] A Boeing 707-100 ordered by Qantas with customer code 38 would be designated as ...
A Van's Aircraft RV-7 displaying registration G-KELS. The G prefix denotes a civil aircraft registered in the United Kingdom. Geographic map of registration prefixes. An aircraft registration is a code unique to a single aircraft, required by international convention to be marked on the exterior of every civil aircraft.
An address verification service (AVS) is a service provided by major credit card processors to enable merchants to authenticate ownership of a credit or debit card used by a customer. [1] AVS is done as part of the merchant's request for authorization in a non-face-to-face credit card transaction.