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

katia API

Number check with REST API

Quick integration (Asterisk, freeswitch, kamailio, …)

katia for VoIP

Softswitch class 5, VPBX

Realtime nuisance call filtering

Contact US
Request an activation
Contact us

Easy activation with