Avaya 5410 Digital Telset
    - One year manufacturer warranty
    - Used on Avaya IP Office Only
    - 5 Line x 24 Character Display
    - Message Indicator
    - Wall mount included
    - 12 programmable feature buttons
    - Full duplex speaker phone
    - Headset Compatible
    - Call logging and programmable speed dial
Avaya 5610 VOIP Telset
    - One year manufacturer warranty
    - Used on Avaya IP Office Only
    - 5 Line x 24 Character Display
    - Message Indicator
    - Wall mount included
    - 12 programmable feature buttons
    - Full duplex speaker phone
    - Headset Compatible
    - Call logging and programmable speed dial
    - 2 10/100 Ethernet ports for network connection and PC pass through
    - 1151 power supply required for non-POE LANs
Avaya 5621 VOIP Telset
    - One year manufacturer warranty
    - Used on Avaya IP Office Only
    - Backlit 168 x 132 pixel display
    - Message Indicator
    - Wall mount included
    - 24 programmable feature buttons
    - Full duplex speaker phone
    - Headset Compatible
    - Call logging and programmable speed dial
    - 2 10/100 Ethernet ports for network connection and PC pass through
    - 1151 power supply required for non-POE LANs