HT20

• Hearing aid compatible handset.
• Message button.
• Redials the last number dialled – dialled number disappears within 5 minutes.
• Default 600ms hook switch flash. Can be set from 100ms to 1000ms.
• Adjustable handset volume.
• PROG button.
• Message and Ringing Indicator.
• Desktop and wall mounting.
• Approved standards: EN 55022 and EN 55024.