Avaya 1603-I IP Telephone

The newly introduced 1603-I are functionally equal to the 1603 but feature a higher quality graphical display with white backlight. * 2 row x 16 character backlit display * Supports 3-line appearances with dual LEDs * Fixed feature buttons include volume up/down, mute, speaker, menu, hold, conference, transfer, drop, redial * High-quality 2-way speakerphone * Message waiting indicator * Integrated headset jack * Desk or wall mountable with optional wall mount adapter * Firmware upgradeable * 8 personalized ring patterns * Optional local power supply(700429640) * Optional Power over Ethernet adapter(700415607) fits completely in the stand of the phone * Single Ethernet port * Static or dynamic address assignment * Compatibility: The Avaya 1603 IP phone is compatible with IP Office R6.0 or higher and Avaya Communication Manager R3.0 or higher