Auto-attendant
Allows subscribers being automatically transferred to the additional line without the intervention of the operator/registrar.
Auto-attendant also allows the subscriber making connection with the operator, dialling the number “0”. The auto-attendant usually introduces a business telephone system, for instance, mini-ATC.
Call Shop Billing system allows you to grant your customers with a credit by making payment before they make an actual call.
Terratel LLC
TERRATEL is a company providing services of designing embedded electronic and computing systems and telecommunication equipment: a full range of customized electronic design services of any complexity.
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