First Call Tele Services Private Limited Firstcall Teleservices has been assisting individuals and companies across Hyderabad in Connecting perfectly with their customers – existing or intended – to sell ideas, products and Services. Company Head Office is situated in Hyderabad City with class infra and Experts providing solutions to various clients in India . Firstcall Teleservices has worked with more than 5 Clients our services have involved a consultative approach in each engagement.