Inter-Tel Model 8662 is the ideal phone for business professionals throughout your enterprise, supporting diverse user needs and allowing them to manage communications with ease.




Inter-Tel Model 8662 is the ideal phone for business professionals throughout your enterprise, supporting diverse user needs and allowing them to manage communications with ease.




* Provides a six-line x 16 character, Liquid Crystal Display (LCD) and embedded softkeys for efficient call handling and easy message management


* Offers feature buttons for quick access to frequently used functions such as hold, mute, Do-Not-Disturb, transfer, forward, conference page and more


* Provides a message waiting lamp, adjustable base and wall mount


* Includes full duplex speakerphone and dedicated headset support


* Provides red Light Emitting Diodes (LEDs) to indicate a call is active, ringing or holding


* Provides QoS and Web-based programming


* Upgradeable through software


* Supports G.711 a-law, G.711 u-law, G.729a, and G.729a/b vocoders


* Supports centralized power over LAN (Local Area Network) (IEEE compatible)


* Enables Dynamic Host Configuration Protocol (DHCP) or static IP addressing


* User configurable Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) port number


* Includes extra switch port


* Configurable in Inter-Tel Protocol or SIP mode. Features may vary in each mode


* Supports VLAN tagging, which eases management, improves call quality and increases security


* The Inter-Tel® Model 8662 includes an extra switch port