To upload a .wav file from your computer,
Select the Choose Recording Method dropdown
Select Upload WAV File
Select Attach File
Select the file from your desktop then click Continue.
Specifications for uploading .WAV files are:
Frequency Range: 8 kHz (kilohertz)
Channels: Mono - one channel only (not Stereo - two channels)
Sampling: 8 bit (not 16, 24 or 32 bit)
CODEX/Coding: PCM
Message Length Range: Minimum 5 seconds, Maximum 120 seconds.
File Type: .WAV only ( not .MP3 or others)
File Byte Size" The size of the file will vary based on the message length range. The size of the file will not be a concern if the other requirements are met.
If you choose to create a text and/or email message the Save & Continue button will bring you to the screen to create those. If not, you will see the Review and Confirm screen at the bottom of the page to complete sending your message.