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Callback Products
1. List of callback services
The callback services available on Teledome are:
- DDI Callback
- CLI Callback
- CLI Callback Calling Card
- SMS Callback
- IP Callback
- Email 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 what will trigger the Callback Session-leg.
Different callback products vary in the way the signal leg is sent by the End-user.
2. 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,
or a US number such as 16027598624 or a French number such as 31254569875. 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 an open channel for making any number of
consecutive outgoing calls.
3. CLI Callback
With CLI Callback 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 31254569875. All End-users dial the same DDI number when they require a callback.
The End-user CLI is simply registered against their account on Teledome. When a call is detected at the DDI number, the client CLI
is detected and the CLI number is called. Once the call is established, the End-User will answer the phone, and receive an open
channel for making any number of consecutive outgoing calls.
4. CLI 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 31254569875. All End-users dial the same DDI number when they require a callback.
When a call is detected at the DDI number, the CLI number is called, 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.
5. 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 a 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 an open channel
for making any number of consecutive outgoing calls.
6. IP Callback
There are 2 distinct scenarios where IP Callback is used.
- This is used by Web Sites to trigger Callback services to clients served by that site. In this scenario, the resellers web
site is set up to provide the service, the web site triggers the Callback for the end user.
- 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 trigger IP Callback.
In both cases the Signal IP connection will contain the CLI of the caller. It may also contain the Account number or 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 an open channel for making any number of
consecutive outgoing calls.
7. Email Callback
There are several distinct scenarios where Email Callback is used:
- This is used by Web Sites to trigger Callback services to clients served by that site. In this scenario, the resellers web site
is set up to provide the service, the web site triggers the Callback for the end user by sending an Email.
- This is used by End-user to trigger Callback services. In this scenario the End-user will send an email to trigger the Callback.
- This is used by SMS gateways to trigger Callback. In this scenario the reseller will have a SMS gateway located in destination
country, and may use the SMS gateway to initiate Callback via email.
In all cases the Email will contain the CLI of the caller. It may also contain the Account number or Pin number for the account
being used for the call. When the network detects the Email 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 an open channel for making any number of
consecutive outgoing calls.
8. CLI self registration
This facility allows the user to self register his own CLI on his account. This is particularly useful where the product is sold
as a prepaid product and the purchaser is required to register his own CLI on his account.
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