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The computer's response is sent back to the phone, generally in a basic format that can easily be seen on the phone display. Messages sent over USSD are not defined by any standardization body, so each network operator can implement whatever is most suitable for its customers. USSD on a Google Pixel device (2018). The user submits a 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.
Except for short codes and emergency numbers, all telephone numbers in Sri Lanka have ten digits (initial 0 + nine numbers). Landline phone numbers begin with the area code, then one digit for the operator code, then six digits for the primary telephone number. Format: (XXX Y ZZZZZZ) where: "xxx" denotes the area code.
Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.
The presentation of a telephone number with the plus sign indicates that the number should be dialed with an international calling prefix, in place of the plus sign. The number is presented starting the country calling code. This is called the globalized format of an E.164 number, and is defined in the Internet Engineering Task Force RFC 2806. [6]
Connect an access number to AOL Dialer. 1. Click Connection Settings from the mail AOL Dialer page and follow the prompts. 2. Enter your location and connection type and click Next. 3. Select your dialing options and click Next. 4. Enter your area code and click Next. 5. Select 2-3 access phone numbers and click Next.
List of area codes Old format New format [1] Place/service +251 1 xxxxxx +251 11 1xxxxxx: Addis Ababa North +251 1 xxxxxx +251 11 2xxxxxx: Addis Ababa West +251 1 xxxxxx +251 11 3xxxxxx: Addis Ababa Southwest +251 1 xxxxxx +251 11 4xxxxxx: Addis Ababa South +251 1 xxxxxx +251 11 5xxxxxx: Addis Ababa Central +251 1 xxxxxx +251 11 kkkk: Addis ...
As of 17 October 2008, telephone numbers in Kuwait consist of eight digits (with the exception of '800'-style numbers, which are made up of seven digits). From 17 October 2008 a single digit prefix was added to all fixed and mobile numbers as per the Ministry of Communication's new numbering plan: