Symposium and Call Centre 6.0 Our Contact Center portfolio enable enterprises to engage with their customers in new ways that set them apart from the competition. By providing blended multimedia capability and outbound calling campaigns that utilize existing TDM investments or powerful converged IP infrastructures, businesses have the advantage of choosing their optimum deployment approach. What really sets our contact center solutions apart are their scalability and flexibility, a powerful virtual contact center with agents and supervisors located anywhere a secure IP connection can be made.