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Voice broadcasting applications take advantage of older, more traditional forms of phone technology. They can be broken into two main components.
IVR
With an IVR (Interactive Voice Response) system, you can set up surveys, polls, appointment reminders, payments, and more for inbound or outbound uses. Customers interact using a simple keypress. Our IVR technology is easy-to-use with a simple drag and drops menu or XML. IVR systems allow you to connect with your customers like never before.Â
 The end-user places a phone call to (or receives a call from) a specified number and reaches a voice broadcasting platform with a pre-recorded message. This platform may then be navigable by using voice prompts or by pressing the numbers on the phone’s keypad. IVR is good for decision-tree campaigns.
Voice Recording
This is a simpler option than IVR. It is not interactive in the same way. The end-user places the call (or receives it) and listens to a pre-recorded message. This option is good for educational/informational campaigns. The system sends one piece of information to the end-user via a pre-recorded message. This option is much like an outbound blast SMS but as a voice recording instead of text.
Both of these options can be in-going and out-going. Either the end-user phones the system or the system can phone the end-user. Another option is flash-to-call, where the end-user calls the IVR system, which terminates the call rather than picking up. The IVR system then automatically phones the end-user back and they are free to navigate the system with no financial cost to themselves.
 Advantages of voice broadcasting
Voice broadcasting technology solves a number of unique problems that have no other solution. Corporations, government organizations, community groups – they all make use of voice broadcasting in order to maximize their reach.
- Adding the Personal Touch
- Providing an Interactive Experience
- Offering Flexibility
- Reaching a Wider Audience
- Being Cost Effective
- Staying Consistent
- Expediting the Process
- Exploiting Familiarity
These are groups who may have problems accessing SMS campaigns. Using voice broadcasting technology allows these groups to access information and campaigns.
Voice broadcasting technologies have a variety of distinct advantages. These include that:
- they work on all phones
- they work on all mobile networks
- the user interface is easy – people are used to dialing a number
- they can be used in all languages
- A natural form of communication
- they are accessible to those who cannot read the text.
The technology behind voice broadcasting
Another advantage to voice broadcasting is that it is relatively easy to set up. Renting phone lines is sufficient to build the needed infrastructure. However, there is a challenge in the implementation of speech technologies. Although it is possible to set up IVR in any language (a great advantage) it is limited due to the need to pre-record these prompts.
Hosting and deployment are key to using IVR technology. Currently, the infrastructure needed is very expensive although there are some low-cost options such as Freedom Fone. It also only runs on Linux-based operating systems. Whereas I personally think this is brilliant, it does mean that organizations interested in using Freedom Fone need to be familiar with Linux.
Challenges of voice broadcasting
There are still a few disadvantages to Voice technology and this is partly why some argue in favor of SMS or USSD. Voice broadcasting technologies present challenges for both users and content developers:
Cost
If the service requires end-users to phone a number then the cost is higher than SMS or USSD. However, if the service is outgoing then there is no cost to end-users putting it in-line with SMS.
User Interaction
Users may be unused to interacting with a recorded message rather than an actual human after dialing the number or receiving an inbound call. Additional training may be required. The user interface needs to be carefully designed. Having a long list of options for a caller to navigate through is a danger. The options need to be short and concise.
Connectivity
Using a voice broadcasting platform is dependent on the end-users phone having connectivity. A big advantage of SMS is that messages can be received later (with some restrictions – for example, with some Telcos messages get deleted after 72 hours if not picked up). With voice, if the end-users phone is not connected, they cannot access the service. There are, however, ways around this. For outbound campaigns, the system could automatically retry calling the end-user at certain intervals. If the end-users phone is not connected, the system could send an SMS to the end-users phone with a number to call back to reach the voice campaign once they are re-connected.An advantage to voice here, though, is that the end-user is not dependent on using a mobile phone. If there is a land line, they can use that.
Possible misuse
Using voice broadcasting technologies give great opportunities to record voice and other sounds in the field. But, as Stephane Boyera argues, this may be subject to misuse. He uses the example of citizen-journalists in the field being able to use IVR to report on events. However, as the voice is identifiable and traceable, this poses a real risk to corrupt countries.
