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This program records phone calls from the phone line on some phones. Such recording is not usually available out-of-the-box, it needs hardware support in your OS kernel and root access. If you have an HTC device, youre in clover if youve got a custom ROM. Otherwise, please visit the xda site, therere plenty.

Basically any device is supported, provided that its based on a Qualcomm chip, say, their Snapdragons, etc. If your device has no such support, the program still records phone calls, but you need to select Android API in preferences and the recording will most likely proceed from the mike, not from the line. Please feel free to make any comments or send suggestions.

HTC Desire

HTC HD2

Google Nexus One

HTC Desire HD

HTC Desire Z

HTC Desire S

HTC Incredible S

HTC Thunderbolt

HTC Sensation

HTC EVO 3D (CDMA)

HTC Hero

HTC Wildfire

Acer Liquid mt

Dell Streak

ZTE Blade

HighScreen Cosmo

Acer Liquid

Sony Ericsson XPERIA ray

Sony Ericsson XPERIA arc

Samsung Galaxy S II X (SGH-T989)

Requires the kernel with 2-way call recording patch and ROOT permissions

Use standard API for recording (may record from the mic):

Samsung GT-I9100 Galaxy S II (Doesnt work on Android 4 ICS, Preferences: Audio source - voice uplink, and voice downlink when BT headset is connected(it will record only other side, but its better then nothing)) 

few bugs were fixed

Required Android O/S : 2.2+