Your question about SiemensSet 551 T17FD

The Set 551 T17FD offers a wide variety of functions for users.

The Set 551 T17FD offers the following performance features:

• Speaker phone function
• Onhook calling
• 9 funktion keys
• Call forwarding
• Adjustable in-call-volume via S0 Adapter or V.24

Delivery Includes:

• Telephone
• Handset
• Handset cord