Điện thoại IP Polycom PLC-IP501 (Mỹ) 
Enhanced productivity 
An intuitive user interface offers dedicated, one button access to common telephony features, and an information-rich graphical LCD display delivers content for messaging, call information, directory access, and applications. Suitable for everyday users, the SoundPoint IP 501 offers superb voice quality when used with a headset, handset or in hands-free speakerphone mode. Polycom industry-leading sound quality implemented in the SoundPoint IP 501 enhances the productivity of your business phone calls, because you will spend less time trying to understand what other people are saying, and more time communicating with them. 
Features 
• 3 Lines 
• Dual Ethernet ports 
• Large, content-rich 160 x 80 display 
• Expanded Flash memory 
• 4 context-sensitive soft keys 
• Multiple call appearances 
• Field upgradeable 
• Message alert indicator 
• Full duplex speakerphone 
• Freedom to choose multiple protocols and platforms 
Enterprise-grade IP telephone for Polycom unified communications 
solutions With integrated video, voice, data, and Web capabilities, Polycom offers the only solution that gives you an easy way to connect, conference, and collaborate any way you want. It's our commitment to making distance communications as natural and interactive as being there. Work faster, smarter, and better with the SoundPoint IP 501 and Polycom's integrated communication solutions. 
Guaranty: 1 Year