With IPHost Network Monitor you can run WMI Supports Callback monitoring of various devices in your network.
To create a WMI monitor for Supports Callback, provide host name (it must be a Windows host) and specify custom WQL query:
Indication of whether the modem supports call-back
The Win32_POTSModem class represents the services and characteristics of a Plain Old Telephone Service (POTS) modem on a Win32 system.
IPHost Network Monitor is an advanced and easy tool for monitoring LAN and WAN networks, network servers, workstations and TCP/IP devices. Use IPHost Network Monitor to monitor your servers, domains, computers and devices.