AVAYA J139 IP DEVICECost-effective IP Device that provides Secure, Reliable, Basic Voice CommunicationsThe Avaya J139 IP Device is a cost-effective, entry-level IP device that addresses the need for secure, basic voice communications for users within large Enterprises and Small and Medium-sized companies. It is well suited for users that make a low number of calls on a daily basis and need a minimal feature set. Ideal for users that consider a phone to be one of many useful communication tools and who rely on common functions and easy to use features including Hold, Transfer, Conference, Forward, Call Park/UnPark.Key Features and Benefits Delivers high definition audio that can increase productivity by reducing fatigue and provides easier-to-understand multi-party calls through the wideband audio codec in the handset...IP Phone Technology: VoIPHandset Connectivity Technology: CordedBase Unit Connectivity Technology: CordedSpeakerphone: YesDisplay Color: ColorNetwork (RJ-45): YesNumber of Network (RJ-45) Ports: 2PoE (RJ-45) Port: YesCommunication Protocols: SIPCommunication Protocols: TLSCommunication Protocols: SRTPForm Factor: Wall MountableForm Factor: Desktop