stuck on recording

[Hamm3r0fdawn]

Once the initial beep starts I can pick up the line and it'll play the greeting then start recording but then nothing. It gets stuck.

Here is the Serial Monitor report:

Serial set up correctly
Audio block set to 256 samples
Mode switched to: Initialising
Button (pin 1) Release
SD card correctly initialized
Add SDClass file system
Added SD card via MTP
Mode switched to: Ready
&&&&& Dump MTPStorage Loop Data &&&&&
Callback Data: 0 0x0 0
1 0xd2ed 1
2 0x0 0
3 0x0 0
4 0x0 0
File Systems:
0 0x20003638 1
Handset lifted
Mode switched to: Prompting
Starting Recording
Disabled MTP storage device checks
Opened file !
Recording to 00002.wav
Mode switched to: Recording

Any help would be appreciated.