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The callback services are available for users from anywhere in the world. Callback is particularly suitable for use in countries where there are no available Freephone numbers. The caller must have a touch-tone phone in order to use this service.
Types of Callback service:
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DDI callback
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CLI callback
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Callback Calling Card
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IP callback
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Callback with PIN request
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SMS callback
All Callback products follow a similar scenario. They all involve a Signal leg (Leg-1), Session-leg (Leg-2) and Call-leg (Leg-3).
The Signal-leg is how the user notifies our system that they require a callback. The Session-leg is our system calling the user back. The Call-leg is the call placed to the user's final destination.
Different callback products vary in the way the signal leg is sent by the End-user.
DDI callback:
With DDI Callback, each End-user is provided with their own unique DDI number. The DDI number may be a UK number such as 442071234567, a US number such as 16027598624, or a French number such as 33254569875. For each End-user callback number a different DDI number will need to be allocated.
Their callback number is registered against the DDI number. When a call is detected at the DDI number, the registered Callback number is called. Once the call is established, the End-User will answer the phone, and receive a voice prompt or a dial tone for making any number of consecutive outgoing calls.
CLI callback:
This service is intended for use in countries where CLI (Caller ID, ANI) is available through the PTT. The service uses two DDI numbers, one for CLI registration and the other for callback request. First the customer dials the registration DDI, and enters their account number. The system registers their CLI against their account. On dialing the callback request DDI to trigger the callback, the system calls back the user, and the customer is then allowed to make any number of consecutive outbound calls. The CLI registration needs to be done only once, after which the customer continues to use that particular account with the registered CLI number.
The CLI callback system should not be used from payphones or offices, as there could be multiple users of the same telephone.
Callback calling card:
This product is very similar to CLI Callback product, except that it is a prepaid product, and the End-user's CLI is NOT registered on the Calling Card PIN.
All End-users are provided with a single DDI number. The DDI number may be a US number such as 16027598624 or a French number such as 33254569875. All End-users dial the same DDI number when they require a callback.
When a call is detected at the DDI number, the user's CLI number is called back, and the caller is prompted to enter their Calling Card PIN number. Once the account is verified, the End-user has a predefined credit and for making any number of consecutive outgoing calls.
IP callback:
There are 2 distinct scenarios where IP Callback is used.
1. This is used by Web Sites to trigger Callback services to clients served by that site. A user verifies his account through the web site, and requests a callback. Our system then calls the user.
2. The second scenario involves Remote Gateways located in destination countries, triggering callback from the main network. This is used for countries where the CLI of callers are not provided internationally, but are available locally. Hence a gateway in the country will pick up the CLI and request a callback from our system, using IP Callback.
The IP Signal-leg will contain either the CLI or the account/PIN number for the account being used for the call. When the network detects the IP request, the CLI and/or account information are used to trigger the Callback. Once the call is established, the End-User will answer the phone, and receive a voice prompt or a dial tone for making any number of consecutive outgoing calls.
Callback with pin request:
This product is similar to above and can be sold as a prepaid calling card service. The service involves the user dialing a common DDI, the voice prompt will request for the PIN number and the required callback number, after which they put the phone down. On receipt of the callback, they can then make any number of consecutive outbound calls.
With this service, the customer pays the local PTT for the time spent entering their PIN and Callback number (approximately 30 seconds, or less if they are familiar with the system).
SMS Callback:
With SMS Callback all End-users are provided with the same DDI number on a mobile network. The DDI number may be a UK number such as 4477801234567, or a US number such as 16027598624. When requiring a Callback, the End-user will send an SMS containing the Callback number. The network will therefore receive 2 numbers, one the End-user's CLI and one the Callback number contained in the message.
When an SMS message is received at the DDI number, depending on the configuration of the group, one of the above 2 numbers are used as Callback number and the number is called. Once the call is established, the End-User will answer the phone, and receive a voice prompt or dial tone for making any number of consecutive outgoing calls.
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To inquire about reselling this service in your target country, please call +44-208 80 6609 or email
Sales@callingplaces.com | |
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