Avaya 1603 IP Telephone

* 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 R4.2 or higher and Avaya Communication Manager R3.0 or higher Avaya IP Office 5410 Terminal Avaya IP Office 5410 Terminal Avaya 1616 IP Telephone Avaya 1616 IP Telephone Avaya 1608-I IP Telephone Avaya 1608-I IP Telephone Avaya one-X Quick Edition 1616 IP Phone Avaya one-X Quick Edition 1616 IP Phone