Pbxnsip
Encyclopedia
Pbxnsip is a software implementation of a telephone private branch exchange (PBX) produced by a company of the same name. Like any PBX, it allows attached telephone
s to make calls to one another, and to connect to other telephone services including the public switched telephone network
(PSTN) and Voice over Internet Protocol (VoIP) services. Its name is a combination of the acronyms PBX and SIP
(Session Initiation Protocol
).
Pbxnsip is released under a proprietary
license with trial versions available on the pbxnsip website. pbxnsip was acquired on October 4th, 2010 by IP Phone maker Snom . Licensing has reportedly not changed.
Originally designed for Linux
, pbxnsip now also runs on a variety of different operating system
s including Microsoft Windows
, Mac OS X
and FreeBSD
. There are also embedded versions available.
ing, interactive voice response
(phone menus), and automatic call distribution.
To attach traditional analogue telephones to a pbxnsip installation, or to connect to PSTN trunk lines, requires the use of a SIP adapter. A number of firms sell PCI
cards to attach telephones, telephone lines, T1
and E1
lines, and other analog and digital phone services to a system. Alternatively, a user can use SIP phones and a SIP carrier and use a data network to handle all hardware aspects of connecting telephones.
Pbxnsip can inter-operate with most SIP telephones, acting both as registrar and as a gateway between IP phones and the PSTN. Pbxnsip supports only the SIP
protocol (see Comparison of VoIP software
for examples).
By supporting a mix of traditional and VoIP telephony services, pbxnsip allows deployers to build new telephone systems, or gradually migrate existing systems to new technologies. Some sites are using pbxnsip servers to replace proprietary PBXes; others to provide additional features (such as voice mail or voice response menus, or virtual call shop
s) or to reduce costs by carrying long-distance calls over the Internet (toll bypass).
VoIP telephone companies can, as an option, support pbxnsip as a user agent or trunked connection with SIP trunking
protocols along with ATA
s and other software user agents.
VoIP telephone companies can also support multiple instances of pbxnsip in a multi-tenant mode allowing them to offer Cloud based or "hosted" solutions to businesses.
and seems to be robust against forms of Denial of Service, for example the INVITE of Death
.
(GUI) for pbxnsip which allows administrators to view, edit, and change various aspects of pbxnsip via a web interface.
, pbxnsip has become a popular VOIP PBX worldwide due to its design, extensibility, and excellent feature set. As a result, the American-English female voice prompts for the Interactive voice response
and voice mail features of the system have been re-recorded and made available in Danish
, Dutch
, Spanish
, Italian
, German
, Polish
, Greek
, French
(Both Canadian and French dialects), Swedish
, Russian
, Brazilian Portuguese
, British English
, and Turkish
.
Telephone
The telephone , colloquially referred to as a phone, is a telecommunications device that transmits and receives sounds, usually the human voice. Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other...
s to make calls to one another, and to connect to other telephone services including the public switched telephone network
Public switched telephone network
The public switched telephone network is the network of the world's public circuit-switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites, and undersea telephone cables, all inter-connected by...
(PSTN) and Voice over Internet Protocol (VoIP) services. Its name is a combination of the acronyms PBX and SIP
Session Initiation Protocol
The Session Initiation Protocol is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol . The protocol can be used for creating, modifying and terminating two-party or multiparty sessions...
(Session Initiation Protocol
Session Initiation Protocol
The Session Initiation Protocol is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol . The protocol can be used for creating, modifying and terminating two-party or multiparty sessions...
).
Pbxnsip is released under a proprietary
Proprietary software
Proprietary software is computer software licensed under exclusive legal right of the copyright holder. The licensee is given the right to use the software under certain conditions, while restricted from other uses, such as modification, further distribution, or reverse engineering.Complementary...
license with trial versions available on the pbxnsip website. pbxnsip was acquired on October 4th, 2010 by IP Phone maker Snom . Licensing has reportedly not changed.
Originally designed for Linux
Linux
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...
, pbxnsip now also runs on a variety of different operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...
s including Microsoft Windows
Microsoft Windows
Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...
, Mac OS X
Mac OS X
Mac OS X is a series of Unix-based operating systems and graphical user interfaces developed, marketed, and sold by Apple Inc. Since 2002, has been included with all new Macintosh computer systems...
and FreeBSD
FreeBSD
FreeBSD is a free Unix-like operating system descended from AT&T UNIX via BSD UNIX. Although for legal reasons FreeBSD cannot be called “UNIX”, as the direct descendant of BSD UNIX , FreeBSD’s internals and system APIs are UNIX-compliant...
. There are also embedded versions available.
Features
Pbxnsip software includes many features available in traditional PBX systems: voice mail, conference callConference call
A conference call is a telephone call in which the calling party wishes to have more than one called party listen in to the audio portion of the call. The conference calls may be designed to allow the called party to participate during the call, or the call may be set up so that the called party...
ing, interactive voice response
Interactive voice response
Interactive voice response is a technology that allows a computer to interact with humans through the use of voice and DTMF keypad inputs....
(phone menus), and automatic call distribution.
To attach traditional analogue telephones to a pbxnsip installation, or to connect to PSTN trunk lines, requires the use of a SIP adapter. A number of firms sell PCI
Peripheral Component Interconnect
Conventional PCI is a computer bus for attaching hardware devices in a computer...
cards to attach telephones, telephone lines, T1
T-carrier
In telecommunications, T-carrier, sometimes abbreviated as T-CXR, is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America, Japan, and South Korea....
and E1
E-carrier
In digital telecommunications, where a single physical wire pair can be used to carry many simultaneous voice conversations by time-division multiplexing, worldwide standards have been created and deployed...
lines, and other analog and digital phone services to a system. Alternatively, a user can use SIP phones and a SIP carrier and use a data network to handle all hardware aspects of connecting telephones.
Pbxnsip can inter-operate with most SIP telephones, acting both as registrar and as a gateway between IP phones and the PSTN. Pbxnsip supports only the SIP
Session Initiation Protocol
The Session Initiation Protocol is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol . The protocol can be used for creating, modifying and terminating two-party or multiparty sessions...
protocol (see Comparison of VoIP software
Comparison of VoIP software
VoIP software is used to conduct telephone-like voice conversations across Internet Protocol based networks. VoIP stands for "Voice over IP". For residential markets, VoIP phone service is often cheaper than traditional public switched telephone network service and can remove geographic...
for examples).
By supporting a mix of traditional and VoIP telephony services, pbxnsip allows deployers to build new telephone systems, or gradually migrate existing systems to new technologies. Some sites are using pbxnsip servers to replace proprietary PBXes; others to provide additional features (such as voice mail or voice response menus, or virtual call shop
Call shop
A call shop is a business that provides physical phones for the purpose of making long-distance telephone calls. There are two main types of call shop payment methods; prepaid and postpaid.- Call shop requirements :...
s) or to reduce costs by carrying long-distance calls over the Internet (toll bypass).
VoIP telephone companies can, as an option, support pbxnsip as a user agent or trunked connection with SIP trunking
SIP Trunking
SIP trunking is a Voice over Internet Protocol service based on the Session Initiation Protocol by which Internet telephony service providers deliver telephone services and unified communication to customers equipped with private branch exchange facilities.-Domains:The architecture of SIP...
protocols along with ATA
Analog telephony adapter
An analog telephony adapter, or analog telephone adapter, is a device used to connect one or more standard analog telephones to a digital telephone system or a non-standard telephone system....
s and other software user agents.
VoIP telephone companies can also support multiple instances of pbxnsip in a multi-tenant mode allowing them to offer Cloud based or "hosted" solutions to businesses.
Security
The PBX has a special focus on security. It was one of the first SIP PBX systems that supported the Secure Real-time Transport ProtocolSecure Real-time Transport Protocol
The Secure Real-time Transport Protocol defines a profile of RTP , intended to provide encryption, message authentication and integrity, and replay protection to the RTP data in both unicast and multicast applications...
and seems to be robust against forms of Denial of Service, for example the INVITE of Death
INVITE of Death
An INVITE of Death is a type of attack on a VoIP-system that involves sending a malformed or otherwise malicious SIP INVITE request to a telephony server, resulting in a crash of that server. Because telephony is usually a critical application, this damage causes significant disruption to the users...
.
Configuration
There is a graphical user interfaceGraphical user interface
In computing, a graphical user interface is a type of user interface that allows users to interact with electronic devices with images rather than text commands. GUIs can be used in computers, hand-held devices such as MP3 players, portable media players or gaming devices, household appliances and...
(GUI) for pbxnsip which allows administrators to view, edit, and change various aspects of pbxnsip via a web interface.
Regional versions
While initially developed in the United StatesUnited States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, pbxnsip has become a popular VOIP PBX worldwide due to its design, extensibility, and excellent feature set. As a result, the American-English female voice prompts for the Interactive voice response
Interactive voice response
Interactive voice response is a technology that allows a computer to interact with humans through the use of voice and DTMF keypad inputs....
and voice mail features of the system have been re-recorded and made available in Danish
Danish language
Danish is a North Germanic language spoken by around six million people, principally in the country of Denmark. It is also spoken by 50,000 Germans of Danish ethnicity in the northern parts of Schleswig-Holstein, Germany, where it holds the status of minority language...
, Dutch
Dutch language
Dutch is a West Germanic language and the native language of the majority of the population of the Netherlands, Belgium, and Suriname, the three member states of the Dutch Language Union. Most speakers live in the European Union, where it is a first language for about 23 million and a second...
, Spanish
Spanish language
Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...
, Italian
Italian language
Italian is a Romance language spoken mainly in Europe: Italy, Switzerland, San Marino, Vatican City, by minorities in Malta, Monaco, Croatia, Slovenia, France, Libya, Eritrea, and Somalia, and by immigrant communities in the Americas and Australia...
, German
German language
German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....
, Polish
Polish language
Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...
, Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...
, French
French language
French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...
(Both Canadian and French dialects), Swedish
Swedish language
Swedish is a North Germanic language, spoken by approximately 10 million people, predominantly in Sweden and parts of Finland, especially along its coast and on the Åland islands. It is largely mutually intelligible with Norwegian and Danish...
, Russian
Russian language
Russian is a Slavic language used primarily in Russia, Belarus, Uzbekistan, Kazakhstan, Tajikistan and Kyrgyzstan. It is an unofficial but widely spoken language in Ukraine, Moldova, Latvia, Turkmenistan and Estonia and, to a lesser extent, the other countries that were once constituent republics...
, Brazilian Portuguese
Brazilian Portuguese
Brazilian Portuguese is a group of Portuguese dialects written and spoken by most of the 190 million inhabitants of Brazil and by a few million Brazilian emigrants, mainly in the United States, United Kingdom, Portugal, Canada, Japan and Paraguay....
, British English
British English
British English, or English , is the broad term used to distinguish the forms of the English language used in the United Kingdom from forms used elsewhere...
, and Turkish
Turkish language
Turkish is a language spoken as a native language by over 83 million people worldwide, making it the most commonly spoken of the Turkic languages. Its speakers are located predominantly in Turkey and Northern Cyprus with smaller groups in Iraq, Greece, Bulgaria, the Republic of Macedonia, Kosovo,...
.
See also
- Voice modem
- Comparison of VoIP softwareComparison of VoIP softwareVoIP software is used to conduct telephone-like voice conversations across Internet Protocol based networks. VoIP stands for "Voice over IP". For residential markets, VoIP phone service is often cheaper than traditional public switched telephone network service and can remove geographic...
- List of SIP software
- IP PBXIP PBXAn IP PBX is a business telephone system designed to deliver voice or video over a data network and interoperate with the normal Public Switched Telephone Network ....
- VoIP