Polycom Soundpoint IP 501 (Refurbished) - business class model, has a large graphic LCD display, full-duplex voice communication and standard call processing functions; supports third lines and can service a number of subscriber numbers, including different types of IP PBX, supports P OE and different protocols: SIP and MGCP.
Polycom Soundpoint IP 501 (Refurbished) - business class model. It has a large graphical LCD display, an intuitive interface, full-duplex voice communication and standard call processing functions. The phone has a third line and can serve multiple subscriber numbers, including different IP PBX. Supports various protocols: SIP and MGCP, as well as the IEEE 802.3af twisted pair networking technology and the Cisco living standard.
* LCD display : Graphic 160 x 80 pixels.
* Number of lines : 3
* HD Voice technology : no
* Full duplex Acoustic Clarity technology : yes
* Support G.711 μ/A, G.729A (Annex B): yes
* Packet Loss Concealment : yes
* Acoustically less echo-muffled : yes
* Noise reduction: yes
* Comfort Noise Fill: yes
* Local 3-point conference : yes
* Swipe dialing keys: 3
* Mute, Headset, Hands Free keys : yes
* Programmed function keys : 4
* Display/menu navigation keys: 6
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