Mobile_phone_-_Dialing_tones_slow_L_Close_R_Distant.wav
Dialing on a mobile phone. Beep tones. Recorded in studio. Unprocessed.
The wav file is a dual mono file. Left channel is close perspective, recorded with an AKG C2000B. Right channel is a bit more distant perspective, recorded, not sure, with a Rode NTG1. Both on Fostex FR2-LE.