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  2. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    Indicates that the destination was temporarily unavailable, so the server has queued the call until the destination is available. A server may send multiple 182 responses to update progress of the queue. [1]: §21.1.4 183 Session Progress This response may be used to send extra information for a call which is still being set up. [1]: §21.1.5

  3. List of SIP software - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_software

    Dialexia VoIP Softswitches, IP PBX for medium and enterprise organizations, billing servers. IBM WebSphere Application Server - Converged HTTP and SIP container JEE Application Server; Interactive Intelligence Windows-based IP PBX for small, medium and enterprise organizations; Kerio Operator, IP PBX for small and medium enterprises

  4. Dial-Office IP-PBX - Wikipedia

    en.wikipedia.org/wiki/Dial-Office_IP-PBX

    Dial-Office IP-PBX is a SIP-based IP-PBX business phone system, [1] first released in 2003 by Canadian telecommunications software provider Dialexia.The software allows users to connect multiple phones (e.g., extensions, ring groups, etc.), share lines among several phones and implement business PBX telephone phone features such as voicemail, caller ID, call forwarding & call recording into ...

  5. VaxTele SIP Server SDK - Wikipedia

    en.wikipedia.org/wiki/VaxTele_SIP_Server_SDK

    VaxTele SIP Server SDK supports Component Object Model (COM) based technology and can be incorporated in any Microsoft Windows-based application. It also includes technical manual, demo SIP Server, and sample codes for C#, Visual C++, Delphi and VB.NET development languages to understand about how to use VaxTele's COM component and accelerates the SIP Server development process.

  6. SIP extensions for the IP Multimedia Subsystem - Wikipedia

    en.wikipedia.org/wiki/SIP_extensions_for_the_IP...

    These two extensions allow users to specify their preferences about the service the IMS provides. With the caller preferences extension, [8] the calling party is able to indicate the kind of user agent they want to reach (e.g. whether it is fixed or mobile, a voicemail or a human, personal or for business, which services it is capable to provide, or which methods it supports) and how to search ...

  7. SIP trunking - Wikipedia

    en.wikipedia.org/wiki/SIP_trunking

    SIP trunking is a voice over Internet Protocol (VoIP) technology and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and unified communications facilities. [1]

  8. SipXecs - Wikipedia

    en.wikipedia.org/wiki/SipXecs

    SipXecs is designed as a software-only, distributed cloud application.It runs on the Linux operating system CentOS or RHEL on either virtualized or physical servers. A minimum configuration allows running all of the sipXecs components on a single server, including database, all available services, and the sipXecs management.

  9. Asterisk (PBX) - Wikipedia

    en.wikipedia.org/wiki/Asterisk_(PBX)

    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 ...