PromiScan 

PromiScan is a renowned sniffing node detection tool and has been used worldwide ever since its release. Promiscan is one of the tools mentioned in the 2003 SANS/FBI Top 20.
sniffing sniffer detecting detection detector monitoring monitor eavesdropping packet capture promiscuous mode intranet

RecOnPhone 

Full-featured phone recording software. Records through a modem or through a RecOnBox. Caller Id, DTMF decoding, Automatic emailing, Stealth mode, Audio compression, Audio editing, Export via drag&drop, Enhanced playback functions.
phone recording recorder phone telephone tap eavesdrop surveillance