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Topic: Enum


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In the News (Tue 29 Dec 09)

  
  Enum (Java 2 Platform SE 5.0)
Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero).
This guarantees that enums are never cloned, which is necessary to preserve their "singleton" status.
Enum constants are only comparable to other enum constants of the same enum type.
java.sun.com /j2se/1.5.0/docs/api/java/lang/Enum.html   (676 words)

  
 ENUM
ENUM is considered appropriate as an infrastructure application because it provides a set of DNS-based resource directories, referenced by phone number, for use by various ENUM-enabled application clients (such as telephones, SIP servers, and voice messaging systems).
ENUM is not intended for this use, although it may have a place in countries that do not have a centralised database administration.
ENUM would be a subscriber-controlled "opt-in" system to "announce," over the Internet, the availability of a particular telephone number to accept service sessions and how to manage those sessions as a result of having subscribed to an ENUM-enabled service.
www.enum.com.au /faqs.htm   (3184 words)

  
 ENUM.ORG > Frequently Asked Questions
ENUM was developed as a solution to the question of how network elements can find services on the Internet using only a telephone number, and how telephones, which have an input mechanism limited to twelve keys on a keypad, can be used to access Internet services.
ENUM at its most basic is the convergence of PSTN and IP networks; it is the mapping of a telephone number from the public switched telephone network to Internet functionalities.
ENUM is not intended to change how telephone numbers are administered, but instead facilitate a wide range of applications using phone numbers as subscriber names.
www.enum.org /information/faq.cfm   (3707 words)

  
 A Typesafe Enum Facility for the Javatm Programming Language
An enum constant may be followed by arguments, which are passed to the constructor when the constant is created.
Enum classes may not be instantiaged using new, may not be cloned, and take full control of the serialization and deserialization process, This ensures that no instances exist beyond those made available via the aforementioned fields.
Within the same compilation unit containing an enum class declaration, switch statements on enums can easily be compiled down to ordinary swtich statements, as it is guaranteed that no constants will be added, removed, or reordered from the enum class after the switch statement is compiled.
www.jcp.org /aboutJava/communityprocess/jsr/tiger/enum.html   (2664 words)

  
 The enum statement   (Site not responding. Last check: 2007-10-13)
ENUM is closely related to the #define preprocessor.
An advantage of enum over #define is that it has scope This means that the variable (just like any other) is only visable within the block it was declared within.
If a variable is defined with enum it is considered by the compiler to be an integer, and can have ANY integer value assigned to it, it is not restericted to the values in the enum statement.
www.phim.unibe.ch /comp_doc/c_manual/C/SYNTAX/enum.html   (149 words)

  
 enum : Java Glossary   (Site not responding. Last check: 2007-10-13)
In the simple case, an enum is a class derived from Enum (capital e), with a set of static final objects of that same class, one for each choice possibility.
In a more complex case, each enum constant object could be instantiated from a different subclass derived from the your base class common to all the constant objects, each constant object with its own private variables and methods.
The biggest problem I have found is when you declare your enum class inside another class, it becomes an ordinary inner class, and thus you cannot have static fields in your enum constant classes or in the enum itself.
mindprod.com /jgloss/enum.html   (1849 words)

  
 VON Magazine :: July 2005 :: ENUM: A Great Idea But..., by Richard Grigonis   (Site not responding. Last check: 2007-10-13)
ENUM, which originated with Cisco Engineer Patrik Faltstrom and the Internet Engineering Task Force's (IETF's) Telephone Number Mapping working group, is a DNS-based service that maps a standard telephone number to a list of contact URLs.
Thus, the ENUM protocol is a big address book that makes it possible to convert e.164 telephone numbers into Internet domain names and then to associate them with services for communication through the associated URI.
This is the open, global ENUM, which dictates that the domain names are in e164.arpa, that there's a regulatory oversight of it, that the ITU is involved, etc.
www.vonmag.com /issue/2005/jul/features/enum.asp   (2096 words)

  
 ENUM: Electronic Numbering
ENUM is a developing technology that enables a user to store contact information that can be accessed by another person through the use of a single number.
Similarly, ENUM registrants should not have to risk misuse of their personal information, or be subjected to unsolicited commercial advertising.
Enum's potential applications aren't as widespread as promised, New Architect, July 2002.
www.epic.org /privacy/enum/default.html   (1063 words)

  
 Cybertelecom :: ENUM
Therefore the ENUM folk involved the International Telecommunications Union (ITU) which authenticates what countries are associated with what country code telephone numbers (The US shares the code "1" with several other countries).
An ENUM query of a country code, such as “1”, is referred to that countries authoritative database; each country code would have its own – if there were more than one there is arguably a risk of inconsistencies and corruptions.
ENUM aggregates a great deal of personal data in the DNS database which is not necessarily regarded as secure.
www.cybertelecom.org /dns/enum.htm   (641 words)

  
 Buzz 2001: The Enum phenomenon, 09/24/01
Enum is not expected to add significantly to the cost of IP telephony products, with it likely being deployed as a software upgrade.
Enum handles the mapping between the telephone numbers active on the SIP test bed and the SIP URL used to handle calls.
Enum helps during the transition period from a traditional to an IP PBX, when some users are on each, Schulzrinne says.
www.networkworld.com /buzz2001/enum   (1671 words)

  
 Andy Smith's Blog : Flagged Enum Properties
It seems that the asp.net page parser/compiler has a bug where if you define a flagged enum on a control, and try to set the value on the tag like MyEnumValue="One, Two", then an exception is thrown from deep within the asp.net page goo.
The reason we can't use it directly is because it was designed to work on properties that are directly the enum itself, not for some wrapper property.
Having put all this together, you now have a property on your control that, while it may not actually be the enum you want, it at least works and acts like it should in general.
weblogs.asp.net /asmith/articles/32692.aspx   (525 words)

  
 IP telephony technology finding wider acceptance
An emerging technology called Enum that integrates the public switched telephone network and the Internet is becoming, well, enormous.
Enum lets users type a telephone number into a Web browser and find a corresponding URL, e-mail address or IP address.
Enum also offers the promise of giving employees a single point of contact for all their communications devices, including PCs, fax machines, handheld computers and cell phones.
www.networkworld.com /news/2001/0430enum.html   (961 words)

  
 Enum (via CobWeb/3.1 planetlab2.netlab.uky.edu)   (Site not responding. Last check: 2007-10-13)
This site is intended as a resource for those participating in the 2006 North American ENUM Trials, and for those interested in learning more about ENUM as an essential link between the many disparate “islands” of VoIP service providers.
ENUM unifies traditional telephony and next-generation IP networks, and provides a critical framework for mapping and processing diverse network addresses.
It transforms the telephone number—the most basic and commonly-used communications address—into a universal identifier that can be used across many different devices and applications (voice, fax, mobile, email, text messaging, location-based services and the Internet).
www.enum.org.cob-web.org:8888   (94 words)

  
 ENUM lookup - number/domain query in e164.arpa - nona.net (via CobWeb/3.1 planetlab2.netlab.uky.edu)   (Site not responding. Last check: 2007-10-13)
ENUM is a protocol to address internet resources with a phone number, effectively making those resources addressable via a phone number.
The most obvious use for ENUM is to use it as addressing 'helper' mechanism for VoIP telephony, no matter which protocol (eg.
Just by associating a SIP URI with an ENUM domain, any other SIP client which uses ENUM in it's call routing logic is able to discover the URI of the callee - using the phone number given to initiate the call.
nona.net.cob-web.org:8888 /features/enum   (173 words)

  
 DENIC eG - ENUM - A single number for all services
With the ENUM protocol, it is possible to use the Domain Name System (DNS) to identify and address the various communication services all via a single call number.
An incoming fax, for instance will land up on a fax machine, whilst a telephone call can be routed at will to a telephone set in the fixed network, a mobile telephone or a voice box.
Here is where ENUM domain holders can find information on all sorts of useful topics, such as changing providers and updating domain data.
www.denic.de /en/enum/index.html   (354 words)

  
 Krzysztof Cwalina : Design Guidelines Update: Enum Design   (Site not responding. Last check: 2007-10-13)
If None is not appropriate for the enum, then assign the zero-value to the element which should be used as the default value for the enum.
If you have values in the enum which cannot be combined, either separate those values into a separate enum, or include them as properties on the class to which the enum is applied.
A typical use might be to signal the ‘end’ of the enum, which could be used to identify where the last value in the enum is. If values are added, then this value could be changed, to represent the last of the additional values.
blogs.msdn.com /kcwalina/archive/2004/05/18/134208.aspx   (2746 words)

  
 ENUM
To become an accredited Trial Registrar for the ENUM Trial, companies are required to be administratively and technically accredited.
Provide ENUM registration services including completing all required checks on the Registrant of an ENUM domain and verifying their eligibility of an ENUM service.
Confirmation that ENUM domain and contact details can be updated once an ENUM domain creation has been processed.
www.enum.com.au /registrars.htm   (1101 words)

  
 IT Architect | The Clique Cracker? | March 4, 2002   (Site not responding. Last check: 2007-10-13)
ENUM is the latest flashpoint of telephony competition, and where telephony is involved, government will follow.
ENUM has become a lightening rod of privacy advocates who see ENUM as a potential vehicle for identify theft or Orwellian citizen monitoring.
ENUM is the final brick in the process of bringing voice onto an all-IP infrastructure.
www.itarchitect.com /article/NMG20020304S0011   (3280 words)

  
 Light Reading - ENUM Heads for Primetime - Telecom News Analysis
After some months in the wilderness, ENUM (electronic number mapping), the protocol that maps telephone numbers to IP addresses, is once again a hot topic as VOIP providers look for ways to charge customers for new services and keep their calls off the PSTN.
ENUM works by reversing a phone number's digits, putting a dot between each digit, and adding the string ".e164.arpa" to the end.
The ENUM standard has been around for several years, with various groups “tinkering around with it in garages,” but “nobody with a checkbook was talking about it,” says Albert Gouyet, vice president of marketing at Nominum Inc., provider of DNS and ENUM server software.
www.lightreading.com /document.asp?doc_id=71043   (1087 words)

  
 The Java Community Process(SM) Program - JSRs: Java Specification Requests - detail JSR# 161
ENUM API Specification defines a standard, portable application programming interface to query and provision E.164 telephone numbers and their service-specific Uniform Resource Identifiers (URI).
ENUM API Specification defines a cross-platform, portable API that enables Carriers, Service Providers and Communications Equipment Vendors to rapidly integrate ENUM-compliant resolution, as well as, ENUM provisioning functionality into their Java applications and platforms.
ENUM entries are based on domain names that [RFC1035] defines character strings as ASCII 8-bit unsigned octets.
www.jcp.org /jsr/detail/161.jsp   (717 words)

  
 Enums
Java programming language enums are far more powerful than their counterparts in other languages, which are little more than glorified integers.
This method is commonly used in combination with the for-each loop to iterate over the values of an enumerated type.
All of the members of an enum set must be of the same enum type.
java.sun.com /j2se/1.5.0/docs/guide/language/enums.html   (1310 words)

  
 ENUM ENUM ENUM!
ENUM was originally developed to link consumers' phone numbers to various IP services, as well as allow for multiple VoIP devices to be called using a single number.
Private ENUM will not use the the e164.arpa root, and the data will not be publicly accessible.
I agree with him 100% that ENUM is going to be the direction that everyone moves to over the next few years as the PSTN evolves from it's legacy for...
blog.tmcnet.com /blog/tom-keating/voip/enum-enum-enum.asp   (2104 words)

  
 Telephone Number Mapping - Wikipedia, the free encyclopedia
Telephone Number Mapping (ENUM or Enum, from TElephone NUmber Mapping) is a suite of protocols to unify the telephone numbering system E.164 with the Internet addressing system DNS by using an indirect lookup method, to obtain NAPTR records stored at a DNS database.
Although it facilitates VoIP, the protocol used for voice communication across the Internet, ENUM is not a VoIP function and should not be confused with common VoIP routing based on SIP and H.323 protocols with a Uniform Resource Identifier (URI).
ENUM is a DNS-based protocol that is best suited to offer services that not only help facilitate, but expand on ways to complete calls over VoIP networks as described below.
en.wikipedia.org /wiki/Electronic_Numbering   (638 words)

  
 Country Code 1 ENUM LLC
This trial will be based on the "Framework Document for a U.S. Provider ENUM Trial" recently adopted by the LLC membership, and will be conducted over a four-month period beginning in July.
As with the End-User ENUM trial, no commercial end-users will be involved in the Provider ENUM trial.
The CC1 ENUM LLC plans are consistent with the Internet Engineering Task Force (IETF) ENUM Working Group efforts to progress a global solution for Provider ENUM.
enumllc.com   (245 words)

  
 ENUM   (Site not responding. Last check: 2007-10-13)
ENUM is a protocol that is the result of work of the Internet Engineering Task Force's (IETF's) Telephone Number Mapping Working Group.
The protocol itself is defined in RFC 3761: The E.164 to URI DDDS Application (ENUM) which obsoletes RFC 2916.
ITU ENUM Workshop on administrative issues related to deployment of the ENUM protocol.
www.itu.int /osg/spu/enum   (1022 words)

  
 BindView - enum   (Site not responding. Last check: 2007-10-13)
enum is a console-based Win32 information enumeration utility.
Using null sessions, enum can retrieve userlists, machine lists, sharelists, namelists, group and member lists, password and LSA policy information.
enum is also capable of a rudimentary brute force dictionary attack on individual accounts.
www.bindview.com /Services/RAZOR/Utilities/Windows/enum_readme.cfm   (63 words)

  
 Enum (Lang 2.2 API)
Care must be taken with class loading when defining a static nested class for enums.
One solution is to define a static block that references the outer class where the constants are defined.
Two Enum objects are considered equal if they have the same class names and the same names.
jakarta.apache.org /commons/lang/api/org/apache/commons/lang/enum/Enum.html   (915 words)

  
 Tutorial Workshop on ENUM
The purpose of this tutorial workshop was to provide information to facilitate discussion so the requirements for the successful global implementation of ENUM.
The ENUM protocol is a mapping into the Internet Domain Name System (DNS) of parts or all of the international public telecommunication numbering plan defined in ITU-T Recommendation E.164.
At first glance a simple protocol, ENUM raises a number of regulatory and policy issues, some of which were explored in the workshop.
www.itu.int /ITU-T/worksem/enum   (119 words)

  
 ENUM in Ireland
Afilias Ltd today announced that it is prepared to keep the DNS infrastructure which it put in place for the national ENUM trial running until end 2006.
PAB Chair, Dr Niall O'Reilly welcomed this announcement on behalf of the ENUM +353 Policy Advisory Board and also thanked the IE Domain Registry and University College Dublin for their continuing support of the interim DNS infrastructure for ENUM in Ireland.
On 14 December 2005, Ireland's telecomms regulator, ComReg issued the expected call for proposals to operate the Tier-1 ENUM registry for +353, Ireland's country code.
www.enum.ie   (203 words)

  
 ENUM Homepage
Please use the ENUM Request Form to request ENUM delegation of an E.164 country code.
Information on how the ITU-T TSB handles ENUM requests can be found at ENUM Delegations page at the ITU web site.
We urge anyone interested in discussing ENUM matters that are not DNS related to contact ITU-T TSB using the following address: .
www.ripe.net /enum   (158 words)

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