You can use Advanced Phone Recorder for call recording. Connect your telephone to your modem, dial the number as usually and pressing the record button, whole conversation will be saved to your hard disk.

You can set it in auto recording mode where all of your incoming calls will be recorded automatically with no intervention.  You can select the voice compression your modem supports, such as PCM-8bit, PCM-16bit, unsigned PCM-8bit, u-law, a-law, IMA ADPCM, 4-ADPCM
You can select the compression format of the wav files saved to your hard disk, such as uncompressed PCM, ACELP, a-law, u-law, DSP truespeech, GSM 6.10, IMA ADPCM, Microsoft ADPCM, G723.1, WMA, VOX, BTV digital, Creative fastspeech, MP3 and many others your system supports. Selecting the right format you can have compression ratio about 2.81Mb/hour.

Features:

· Automatic date, time and duration stamp.
· Write a memo for each recording.
· Automatic detection of your modem .
· Adjustment of your modem speaker volume.
· Adjustment of recording level.
· Detection of your modem compressions.
· Creates compressed WAV files.
· Create and process lists of calls i.e. personal calls, sales, orders, customers, etc.
· Automatic recording of ALL incoming calls. For outgoing only manual mode is supported.
· Set it run when windows starts up.
· Adjust digitally signal level.
· Equalize voices between calling and called party.
· Phone recorder full customization.
· Database search.
· Email your recordings.
· Detects and logs caller ID.

Download : Advanced Phone Recorder 2.0.9 (1.9 MB) | Screenshot | Homepage