Call Policy API and 911 Tools for Cisco Callmanager. 911 with instant alerts, block spam and robocalls, TrueSpam Reputation Filtering, and realtime email/webex/sms notifications. No dial peer, Partition, or Router changes required! E911 location management via Subnet, CDP Neighbor + Port, and QR Code for easy wire mapping.

Make test calls to our PSTN phone numbers and SIP/VOIP addresses

Android app that silences robocallers, telemarketers, and spamcallers 99%+ of the time. It still lets you access and answer "important" unknown callers.

Callattendant maintained 2022 A python-based automated call attendant, call blocker, and voice messaging system running on a Raspberry Pi. Screens callers and block robocalls and scams with a low-cost Raspberry Pi and modem.

BetterCallerID uses Numverify API to validate incoming calls as real numbers or will warn you if they are invalid. Upon receiving a call, you will get a notification containing general Location, carrier and line-type.

Examples in this language using ONURIX