TNZ services support supplying your own voice recordings:
VoiceCast
Automated telephone calls.
You provide an audio recording of the message you're sending. When the recipient answers the phone, your audio recording is played.
Voicemail-to-Email
A dedicated voicemail number.
You provide an audio recording of the voicemail greeting. When the caller rings your voicemail number, they hear your greeting and can leave a message, which is emailed to you.
IVR Numbers
A smart telephone number with a Call Menu.
You provide an audio recording of the greeting message, e.g. "You have reached Company X. Press 1 for Sales or press 2 for Accounts."
Supported Audio Formats
These services support:
WAV
MP3
M4A
For optimum results, record your message in WAV, mono, 16-bit, 8000hz format.