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>>  VoiceCast / TTS Service - FAQs

VoiceCast Frequently Asked Questions

How many simultaneous calls can VoiceCast handle?
VoiceCast is able to transmit approximately 700 simultaneous calls. This capacity is able to be increased on request for burst calls or larger volumes of calls.
We have the ability to prioritise emergency calls over standard Voice Broadcasts. If your content is required to be sent in an emergency scenario, we are able to cater for this.
How does the charging and billing work?
Calls are charged per minute, per target.
Calls answered by an answering machine are charged for.
Calls that fail due to a bad number or another communication error are not typically charged for.

If you are sending a voice broadcast to 500 phone numbers and each call is answered for 45 seconds, budget for 500 one minute calls.

If you are sending a voice broadcast to 500 phone numbers and each call is answered for one minute and 20 seconds, budget for 500 two minute calls.

If you are sending a voice broadcast to 500 phone numbers and each call is answered for 45 seconds, then transferred to a live Operator for two minutes, budget for 500 five minute calls (one minute for the initial call, then two minutes per leg for the transferred call).
How much reporting information do I get?
Once the calling has completed, you will receive a report containing individual information on each call.
Information includes the number of seconds the call was active, which keypad buttons were pressed, whether the call reached a human or an answerphone, etc.

For Example:

+6499293000,80,Thursday, 10 May 2014 11:09 a.m.,SUCCESS,Sent Ok,Main=1,RecordMessage=3
+6499293001,47,Thursday, 10 May 2014 11:10 a.m.,SUCCESS,Sent Ok,Main=2,RecordMessage=1
+6499293002,32,Thursday, 10 May 2014 11:11 a.m.,SUCCESS,Answerphone,Answerphone
+6499293003,0,Thursday, 10 May 2014 11:12 a.m.,FAILED,Bad Number/No Answer (NUR),Main
Can I change the Text-to-Speech (TTS) voice?
We have a range of Text to Speech voices available. These include both Male and Female voices with different accents.
You can set the TTS voice when using the Web Portal by selecting your preferred option using a drop down menu.
You can also set the TTS voice when creating your own SFV Control Files using the VOICE command (see the "Building VoiceCast Control Files (SFV)" guide for further information).

Should you prefer to use your own TTS voice, you can do so by creating WAV files and sending these as normal audio files (using the recorded real human voice options).
How do I create a voice survey through the Website?
At present, creating a complex survey is not available through the Web Portal.
You can create a simple VoiceCast with a keypad button routing the call to a live Operator through the Web Portal.

Should you need to create a survey, you will need to build the SFV file. See the "Building VoiceCast Control Files (SFV)" guide for further information.
Do you record the real human voices?
We do not provide voice recordings. You can create your own voice recordings or we can recommend professional studios that you can hire to create high quality audio files.
Otherwise, we recommend utlizing one of the built in text-to-speech voices for simple, quick and cost effective voice content.

We do have a facility available for you to record a voice message by calling one of our telephone numbers. Contact a TNZ Representative for further information.
What computer software or hardware do I need?
For a simple VoiceCast using text-to-speech, all you need is a Web Browser and access to the Internet.
If you can see this website, you already have all you need!

Should you want to record your own voice files for use with the VoiceCast service, you may wish to purchase a computer microphone and some audio recording software (we recommend NCH Software's WavePad, however any Audio Recording software will suit).
Which audio formats does VoiceCast accept?
For users who are recording voice files for use with the VoiceCast service, we recommend saving these as WAV files.
WAV allows for the best quality audio as there is little compression (however the file sizes are much larger).
Standard telephony allows for an 8000kHz sample rate, 8 bit with mono sound (PCM). VoiceCast will downsample any audio files to this standard.

If you have any queries or issues with audio formats, don't hesitate to contact a TNZ Representative.

General information on Voice Broadcasting
Learn about the Features of Voice Broadcast
Learn how Voice Broadcast transmits voice messages
How it Works
Learn how to Send Voice Broadcasts
Ways to Send
Frequently Asked Questions about Voice Broadcasting
Costs and Pricing for Voice Broadcasts