https://mail.gnome.org/archives/networkmanager-list/2006-February/msg00223.html
Re: no carrier detection after resume from swsusp (8139too)
no carrierdetectionresume
https://phone-check.app/
Phone Validation API for Carrier Detection, Fraud Checks, and…
Validate phone numbers in real time for carrier lookup, line type detection, fraud screening, and bulk list hygiene before signup, outreach, or SMS delivery.
phone validation apifor carrierfraud checksdetection
https://www.alibabacloud.com/help/tc/cms/cloudmonitor-1-0/api-describesitemonitorispcitylist
Query carrier detection points using DescribeSiteMonitorISPCityList - Cloud Monitor - Alibaba Cloud
Use the DescribeSiteMonitorISPCityList API to query available site monitoring detection points by carrier and city, returning a list with details like...
carrier detectioncloud monitorquerypointsusing