The Snom PA1 VoIP Public Announcement System can be used as an extension of any public address system, allowing you to connect a loud speaker or PA amplifier up as an extension to a VoIP system.
More information on the Snom PA1
You can connect a wired headset to all Snom phones, achieving productivity gains because you can use your hands while talking on the phone.
More information on Snom Wired Headsets
EHS Advanced Wireless Adapter
The NEW Snom wireless headset adapter. Designed for maximum productivity in demanding environments. Now works for the entire Snom range - 3xx and 8xx Series.
More information on the Snom EHS Advanced
Connect up to three extension keypad to a Snom 3xx phone (not Snom 300). Each keypad has 42 programmable keys.
More information on the Snom Keypad