The URIs returned in this service may use the TEL URI parametersĭefined in RFC 4694, and implementations must be prepared to Traditional PSTN, even if the call originates from an IP network. Thus, these are numbers that are only routable via the Resident on the public Internet or a private/peered Internet Protocol Information for telephone numbers that do not designate an endpoint The purpose of this Enumservice is to provide routing Other PSTN-oriented data that is associated with E.164 telephone Ported telephone number data (individually or in number blocks), and Indicate PSTN routing data, including number portability data, non. The following Enumservice is registered with this document: "pstn" to (IP-based) response or an off-net (PSTN-based) response.
Networks into a single ENUM lookup, thereby simplifying call routingĪnd network operations, which would then result in either an on-net Such parties to consolidate all telephone number lookups in their Place ported numbers, pooled numbers, and blocks of numbers and theirĪssociated PSTN contact information, into externally available or The Enumservices described here could enable service providers to Number Portability and other numbering information areĭistributed in a variety of methods and formats around the world. Which can be routed directly on the PSTN based on the dialed number,Īre typically assigned to carriers and other entities in large blocks In the case of a ported number, the dialed number is notĭirectly routable on the PSTN and must be translated into a routing Such as the United States and Canada, the functions of naming andĪddressing on the Public Switched Telephone Network (PSTN) have beenĪbstracted. Location, or change the subscribed services. Telephone numbers when they change service providers, move to a new Number Portability allows telephone subscribers to keep their
#ENUMERATING INTERNAL PHONE NUMBERS REGISTRATION#
The registration is defined within the DDDS (Dynamic Delegationĭiscovery System ) hierarchy, for use with the "E2U" Given in RFC 3761 to be used for provisioning in the servicesįield of a NAPTR resource record to indicate the types ofįunctionality associated with an end point and/or telephone number. This document registers Enumservices according to the guidelines ) to look up what services are available for a specific domain (DDDS) Part Three: The Domain Name System (DNS) Database, RFC 3403 NS records and NAPTR records (Dynamic Delegation Discovery System Then uses DNS (Domain Name System, RFC 1034 ) delegation through Numbering Plan, ITU-T Recommendation E.164 ) into domain names and Transforms E.164 numbers (The International Public Telecommunication IntroductionĮNUM (E.164 Number Mapping, RFC 3761 ) is a technology that RFC 4769 PSTN Enumservice November 2006 1. Dialed Number Available On-Net and on the PSTN.
Call Processing When Multiple Records Are Returned. Example of a Non-Ported Number, Using a 'sip' URI Scheme. Example of a Non-Ported Number, Using a 'tel' URI Scheme. Example of a Ported Number, Using a 'sip' URI Scheme. Example of a Ported Number, Using a 'tel' URI Scheme. ENUM Service Registration for PSTN with Subtype "sip". ENUM Service Registration for PSTN with Subtype "tel". The routing of telephone calls in those countries where number URI scheme 'sip' as per the IANA registration process defined in theĮNUM specification, RFC 3761. Using the URI scheme 'tel', as well as the subtype "sip" using the This document registers the Enumservice type "pstn" and subtype "tel" Official Protocol Standards" (STD 1) for the standardization stateĪnd status of this protocol. Please refer to the current edition of the "Internet Internet community, and requests discussion and suggestions for This document specifies an Internet standards track protocol for the
IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling Information Request for Comments: 4769 Comcast Cable Communications Updated by: 6118 Network Working Group J. The fallthrough keyword causes program execution to continue from one case in a switch statement to the next case.RFC 4769: IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling Information The text alignment enum is a well-known example: enum TextAlignment Using fallthrough in a switch statement It's available only until March 26th, so click to get it now! Defining an enumĬhances are high that you’ve worked with enums before.
#ENUMERATING INTERNAL PHONE NUMBERS FREE#
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