UNIPER - Independent Consultants in Telecommunications & IT Have specialist knowledge and vast experience of establishing processes with related organisation, procedures and systems within the following areas: Prepay Services Billing Collections Accounts Receivable Ledger. Reminders, Debt Collection and Suspension/Cancellation of Service Delivery. Disputed Invoices, Payment Grace and Payment Plans. Requirements and acceptance tests. System procurement and service deployment. Roaming Mediation Customer Management Revenue Assurance Outsourcing Network Extension Network Upgrade O&M Product Management Service Development Service Deployment Procurement/Purchase Suppliers & Contracts