Poly Edge E550 IP Phone and PoE-enabled, Part# 82M91AA Extension Chain for Pendant speakers It has a patent-Pending Auto-Retract

It has a patent-Pending Auto-Retract Technology - Pressure-sensing technology accurately detects punch completion and automatically retracts the ram

Plug & Play Installation

It features two types of transmission

it provides for "meet me" answer of code call and provides talk circuit and signaling tone

Axiom 90-watt slim ac adapter w/ 6-foot power cord for dell - 330-1827

Poly Edge E550 IP Phone and PoE-enabled, Part# 82M91AA Extension Chain for Pendant speakers It has a patent-Pending Auto-RetractThe efficient Poly Edge E550 82M91AA IP Phone and PoE enabled is a desk phone that makes work easy. Two displays and 12 line keys offer more ways to connect, plus quality audio, in a seriously sharp package. FEATURES: All the features you could ask for: Get fast access to features via a large 5 color display. Stay informed with the surround light status indicator with RGB mixing. And handle multiple calls with ease using 12 line keys supporting up to