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3CX vs Avaya IP Office

3CX: 3CX develops a full range of VoIP telephony software products.3CX Phone System for Windows is a software-based IP PBX that replaces a proprietary hardware PBX / PABX. 3CX’s IP PBX has been developed specifically for Microsoft Windows and is based on the SIP standard, making it easier to manage and allowing you to use any SIP phone (software or hardware). A software-based IP PBX / PABX offers many benefits: Easier to install & manage via web-based configuration interface Far less expensive to purchase and expand than a hardware-based PBX / PABX Improve productivity with presence, desktop based call control and extension management No need for separate phone wiring – phones use computer network, easy hot desking! Deliver mobility by allowing employees to work from home using a remote extension Choose between popular IP hardware phones or softphones – no vendor lock in Receive & make calls via the standard PSTN using VoIP Gateways or cards Save on monthly call costs using SIP trunks, VoIP providers or Skype Connect!

Avaya: Avaya is a global leader in business communications systems. The company provides unified communications, contact centres, data solutions and related services directly and through its channel partners to leading businesses and organisations around the world.