December 07, 2005
Avaya products
Avaya Inc. evolved from Lucent Technologies in October 2000. The company traces its history to AT&T and Bell Telephone Laboratories; these two companies have been major players in circuit-switched telephony. Avaya, however, is one of the leaders of packet-switched telephony.
The core areas of Avaya’s business include IP Telephony, Contact Centers, Mobility, and Services. Their IP telephony products include the Communication Manager Software, the supporting Media Servers, and Media Gateways. The company released Communication Manager 3.0 in June 2005. The product integrates functions like call processing and control, messaging, contact center, etc. The software is the feature product of the Multivantage ™ communications applications portfolio offered by Avaya. It can manage up to 36,000 users on a single system and in excess of 1,000,000 users on a network. Media Servers that utilize the Linux operating system and the Avaya DEFINITY server are capable of running the software.
The Enterprise Edition of this software is equipped with an Enterprise Survivable Server (ESS) feature. It is located on the main server and enables an ESS server to assume command if the main server located at the headquarters suffers from a communications failure. The Communication Manager 3.0 also has the Inter-Gateway Alternate Routing (IGAR) which enables the transferring of traffic to a PSTN if the IP network is overloaded. The SIP Enablement Services support analog, digital, H.323, and SIP endpoints.
The Avaya Media Gateways are available in a variety of sizes and support the H.248 protocol. They are stackable and modular in design. They support applications using Ethernet for LANs, T-1 for WANs, and also DSL, cable modem, and Power over Ethernet (PoE).
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