ABLEGRID 6V-6.5V AC DC Adapter Power Charger For Siemens Gigaset S795 S810 S810A S810H DECT 6.0 Cordless Phone Base Unit 6VDC-6.5VDC Power Supply Cord Charger - Newegg.com
The Gigaset S810A IP is the VoIP phone you need - liGo
AC Adapter for Siemens Gigaset S795 S810 S810A S810H DECT 6.0 Cordless Power PSU | eBay
Siemens Gigaset S79h / S810 / S4 professional keyboard mat keypad mint condition. | eBay
Siemens Gigaset S810A IP Cordless Phone for VoIP and Landline - liGo