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With the innovative Gigaset CL690A SCB you can stop spam calls on the fixed network! Aggressive advertising calls, annoying opinion polls, phone terror or ping calls with expensive callback costs - it's annoying, costs time, patience and sometimes even a lot of money. The number of complaints about such incidents is constantly increasing, while at the same time commercial call centres are using increasingly imaginative strategies

Fixed line telephone

The tellows scorelist for the most used router offers optimal protection for the Fritzbox. With the tellows score lists for the most used router you can equip your router at home for a secure telephone experience. With the barring lists you benefit from caller identification for your landline phone. The easy setup and the automatic updates via CardDAV server offer a relaxed telephoning experience. The call barring function allows you to block advertising calls and dubious callers.

Spam filter for the router and the telephone system

With the tellows API key we offer the possibility of real-time caller protection. With the help of the API key and a suitable telephone system, annoying spam calls are no longer a problem. The API Key is an interface to the application programming and enables programmers and telephone system developers to access the tellows database and thus to serious and dubious numbers and their evaluation. No matter which PBX you use, as long as it has access to the Internet and can use API Keys, a real-time query to the tellows server is no problem at all.

Integration of phone number databases for developers