Management of telephone call centers for others, namely, call center outsource services, sales and business process outsourcing services in the field of call management, telemarketing and customer management, call management services for inbound and outbound call services, telemarketing, customer service management

Management of telephone call centers for others, namely, call center outsource services, sales and business process outsourcing services in the field of call management, telemarketing and customer management, call management services for inbound and outbound call services, telemarketing, customer service management