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3Com Corporation was an American digital electronics manufacturer best known for its computer network products. The company was co-founded in 1979 by Robert Metcalfe, Howard Charney and others. Bill Krause joined as President in 1981. Metcalfe explained the name 3Com was a contraction of "Computer Communication Compatibility", with its focus on Ethernet technology that he had co-invented, which enabled the networking of computers.
Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication sessions over Internet Protocol (IP) networks, such as the Internet.
Asterisk is a software implementation of a private branch exchange (PBX). In conjunction with suitable telephony hardware interfaces and network applications, Asterisk is used to establish and control telephone calls between telecommunication endpoints such as customary telephone sets, destinations on the public switched telephone network (PSTN) and devices or services on voice over Internet Protocol (VoIP) networks. Its name comes from the asterisk (*) symbol for a signal used in dual-tone multi-frequency (DTMF) dialing.
A business telephone system is a telephone system typically used in business environments, encompassing the range of technology from the key telephone system (KTS) to the private branch exchange (PBX).
Direct inward dialing (DID), also called direct dial-in (DDI) in Europe and Oceania, is a telecommunication service offered by telephone companies to subscribers who operate private branch exchange (PBX) systems. The feature provides service for multiple telephone numbers over one or more analog or digital physical circuits to the PBX, and transmits the dialed telephone number to the PBX so that a PBX extension is directly accessible for an outside caller, possibly by-passing an auto-attendant.
Skype for Business Server is real-time communications server software that provides the infrastructure for enterprise instant messaging, presence, VoIP, ad hoc and structured conferences and PSTN connectivity through a third-party gateway or SIP trunk. These features are available within an organization, between organizations and with external users on the public internet or standard phones.
SipXecs is a free software enterprise communications system. It was initially developed by Pingtel Corporation in 2003 as a voice over IP telephony server located in Boston, MA. The server was later extended with additional collaboration capabilities as part of the SIPfoundry project. Since its extension, sipXecs now acts as a software implementation of the Session Initiation Protocol (SIP), making it a full IP-based communications system.
This is a comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. For residential markets, voice over IP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers, e.g., have a PSTN phone number in a New York area code ring in Tokyo.
Mobile VoIP or simply mVoIP is an extension of mobility to a voice over IP network. Two types of communication are generally supported: cordless telephones using DECT or PCS protocols for short range or campus communications where all base stations are linked into the same LAN, and wider area communications using 3G or 4G protocols.
Zultys, Inc. is a privately owned software company headquartered in Sunnyvale, California. It develops unified communications products and integrated desktop IP phones. Zultys’ business phone systems and contact center telephony services can be installed and operated as premises-based technology and as cloud-based software as a service.
Microsoft Response Point was an advanced software-based telephone system developed by Microsoft. Response Point, a PBX system targeting small businesses with less than 50 employees, was launched in March 2007, with systems available on the market in the fourth quarter of that year. Response Point is VoIP-based, and uses SIP as its signaling and call setup protocol. Response Point supports voicemail and multi-party calling in addition to two party VoIP calls. Response Point features innovative voice recognition technology to manage calls and voice mail. Voicemail messages can, optionally, be sent to e-mail where they can be retrieved and archived. Response Point voice dialing can work with the Response Point phone directory which is currently limited to 1100 contacts per user. Contacts may be imported from the Windows Address Book or Microsoft Outlook. Response Point automatically detects gateways and phones connected to the network.
An IP PBX is a system that connects telephone extensions to the public switched telephone network (PSTN) and provides internal communication for a business. An IP PBX is a PBX system with IP connectivity and may provide additional audio, video, or instant messaging communication utilizing the TCP/IP protocol stack.
Elastix is a unified communications server software that brings together IP PBX, email, IM, faxing and collaboration functionality. It has a Web interface and includes capabilities such as a call center software with predictive dialing.
The 3CXPhone System is the software-based private branch exchange (PBX) phone system developed and marketed by the company, 3CX. The 3CX Phone System is based on the SIP standard and enables extensions to make calls via the public switched telephone network (PSTN) or via Voice over Internet Protocol (VoIP) services on premises, in the cloud, or via a cloud service owned and operated by the 3CX company. The 3CX Phone System is available for Windows, Linux, Raspberry Pi and supports standard SIP soft/hard phones, VoIP services, faxing, voice and web meetings, as well as traditional PSTN phone lines.
Brekeke PBX is a SIP-based IP-PBX system. This software was previously known as OnDO PBX from 2004 to 2006. Brekeke Software, Inc. released Version 2 of this software in 2007 and changed its name to Brekeke PBX. This software allows the user to establish relations among multiple phones, to share lines among multiple phones and to provide call features such as voicemail, caller ID, call forwarding, call recording, etc. Brekeke Software, Inc. offers two versions of its Brekeke PBX software, single-tenant and Multi-Tenant version.
VaxTele SIP Server SDK is a complete development toolkit, which allows software vendors and Internet telephony service providers (ITSP) to develop SIP Server and (SIP) Session Initiation Protocol based VoIP systems for Microsoft Windows to install computer to computer voice chat, chat rooms, IVR systems, call center services, calling card services, dial/receive computer to PSTN and mobile phone calling services.
Dialexia Communications, Inc. is a privately held Canadian corporation headquartered in Montréal, Quebec, that develops, manufactures, and sells VoIP-based Telecommunication products and services.
HERO Hosted PBX is a SIP-based hosted IP-PBX business phone system, first released in 2008 by Canadian telecommunications software provider Dialexia. The HERO software allows users to connect multiple phones, share lines among several phones and implement business PBX telephone phone features such as voicemail, caller ID, call forwarding & call recording into their virtual PBX. The software is also suitable for multi-office connections, connecting branches which are geographically distant from each other. Dialexia Communications, Inc. released the latest version of HERO Hosted PBX (4.3) in 2013.
Dial-Gate VoIP Softswitch is a SIP-based IP-PBX software for businesses, first released in 2006 by Canadian VoIP PBX solution provider Dialexia. The software serves as a web-based softswitch and billing server for VoIP and PSTN networks. On June 3, 2014, the Dialexia development team announced in a client newsletter that support for Dial-Gate Softswitch versions 3.9 and earlier would cease effective September 1, 2014. The company advised customers to migrate to a currently-supported operating system in order to receive future security updates & technical support.
References
- ↑ "Dialexia - Dial-Office IP-PBX". October 10, 2014. Retrieved October 10, 2014.
- ↑ "Multi-Tech - MultiVOIP partner application brief" (PDF). June 1, 2006. Archived from the original (PDF) on November 3, 2014. Retrieved October 10, 2014.
- ↑ "Dialexia - Dial-Office product support update". June 3, 2014. Retrieved October 10, 2014.
- ↑ "TMCNET - Billerica Public School To Use Dialexia's Dial-Office". June 3, 2014. Retrieved October 10, 2014.
- ↑ "WindowsNetworking.com - Dial-Office IP-PBX". May 21, 2014. Archived from the original on 2014-07-02. Retrieved October 10, 2014.