|Virtual offices and call centres|
|Call recording facilities|
|Inbound call planning solutions|
|Management information systems|
|Interactive voice response|
|Carrier pre-select services|
Sigma’s Call Select uses the latest Carrier pre-select technology and is the most flexible way of getting cheaper calls.
It offers significant advantages over conventional methods, allowing you to direct your calls via the cheapest route, without the need for diallers or switchboard programming.