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SIP: Session Initiation Protocol
four SFP+ ports
The 3Com NBX 3102 (3C10402B) is an IP phone designed by 3Com
(1) Vodavi Vertical 2802-00 Basic Phone
The Adtran 1204004L2 is compatible with Adtran NetVanta routers
ESI 48 Key FD IPFP Phone (5000-0532) Power:Sold Separately SIP: Session Initiation ProtocolESI 48 Key FD IPFP Description: The ESI IPFP FD phone is an IP VoIP based phone designed by ESI Communications. The IPFP FD is features a full duplex speakerphone. The IPFP FD (5000 0532) offers 30 programmable buttons and a wealth of other fixed key functions such as a dedicated help button, one touch speakerphone, mute, transfer, hold, and voicemail all at your fingertips. The ESI H 48 Key IPFP has a three line display that allows users to see
