katia! The best phone antispam

Since three years we are successfully fighting criminal calls. If you want to definitively get rid of phone threat, try our solution!

unwanted calls blocked
annoying calls blocked per day
threats blocked each day
eligible users

katia never sleeps

Analyse, learn and decide. katia is our detection algorithm able to detect and block in realtime phone threat.

Rules for detecting threat
New threat detection time

katia for telephony

Telecom operators

real time call screening

Protect your subscribers against nuisance call
Give a better experience with your product

Simultaneous ringing

Provider compatible with simultaneous ringing

29.95.- per year + 30.- activation fee

katia for VoIP

compatible with all SIP provider

 Free (1’000 check per year)

Contact US
Request an activation
Create an account

VoIP compatibility with