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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 ...
Avaya 9600-series IP deskphones are 15 different desk handset devices that are used for unified communications. The phones are compatible with the Avaya Aura platform of products and IP office systems. [1] [2] The systems add high-quality voice codecs like the G.722 codec and new menus over older IP phone series. The 9620 includes 16 MB of ...
Avaya IP Phone 1140E in telecommunications is a desktop Internet Protocol client from 1100-series manufactured by Avaya for unified communications. The phone can operate on the Session Initiation Protocol (SIP) or UNIStim protocols. [1] The SIP firmware supports presence selection and notification along with secure instant messaging.
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]
Interfaces for connecting PBXs to trunk lines include: Internet Protocol – H.323, SIP, MGCP, and Inter-Asterisk eXchange protocols operate over IP and are supported by some network providers. ISDN – the most common digital standard for fixed telephony devices. This can be supplied in either Basic (2-circuit capacity) or Primary (24- or 30 ...
Avaya sponsors the IAUG users' group [34] and training programs for IT professional certification in the use of Avaya's products. [ 35 ] Avaya provides business related equipment for its customers such as cameras, collaboration units, conference phones, headsets, IP phones, room systems, Vantage, and wireless handsets.
A session border controller (SBC) is a network element deployed to protect SIP based voice over Internet Protocol (VoIP) networks. [1]Early deployments of SBCs were focused on the borders between two service provider networks in a peering environment.
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.