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  2. List of SIP software - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_software

    ShoreTel IP phone systems with unified communications and contact center built in Snom One free/blue/yellow (Snom acquired and renamed pbxnsip) (SIP) Speedflow Communications VoIP class 4/5 softswitches with integrated billing, transcoding, SIP-H.323 converter.

  3. Avaya 1100-series IP phones - Wikipedia

    en.wikipedia.org/wiki/Avaya_1100-series_IP_phones

    The 1120SA is a special-use phone which is certified for use by Sensitive Compartmented Information Facilities (SCIF) users, without an external device. [3] [4]The National Telecommunications Security Working Group (NTSWG) has approved the Avaya IP Phone 1120SA for deployment under the Director of Central Intelligence Directive (DCID 6/9), for VoIP and VoSIP (TSG-6 Type-acceptance CNSS Class-A ...

  4. snom - Wikipedia

    en.wikipedia.org/wiki/Snom

    The snom 100 VoIP desk telephone was one of the first commercial voice-over-IP telephones in the telecommunication sector. [ 1 ] [ 9 ] The phone was initially based on the H.323 protocol, but was equipped with support for the Session Initiation Protocol the following year, as SIP matured technologically, and gained international recognition in ...

  5. 3CX - Wikipedia

    en.wikipedia.org/wiki/3CX

    3CX produces a telephone system under the same name. The system consists of a number of software-based [13] components. It can be accessed via a Web Client, PWA, Desktop App, Management & Admin consoles, softphone for Windows, and smartphone clients for iOS and Android. 3CX can be used with either SIP phones or the clients, or a combination of ...

  6. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    STUN is used in some of the sip phones to enable the SIP/RTP packets to cross boundaries of two different IP networks. A packet becomes unroutable between two sip elements if one of the networks uses private IP address range and other is in public IP address range. Stun is a mechanism to enable this border traversal.

  7. Avaya 9600-series IP deskphones - Wikipedia

    en.wikipedia.org/.../Avaya_9600-series_IP_deskphones

    The 9608 phone is an eight-line phone with directory and speed dial functions, with a monochrome display and four programmable keys. The device also supports Bluetooth headsets. The 9611G phone has a 3.5-inch color display and supports eight lines. The device has a built in gigabit Ethernet switch to allow a PC to connect to the network through ...

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