Your organization need only pay for what resources it actually uses while retaining the ability to add capacity as needed.
Additionally, a partner with overseas-based facilities can provide your organization with the cost benefits associated with a global talent pool, without the hassle and expense of establishing a base so far from home.
Control
In an outsourced environment, the outsource partner assumes responsibility for day-to-day operations while working closely with your organization to define key objectives and long-term strategic plans. Thus you are assured that the CSRs understand your mission and corporate philosophy so they can represent you in the best possible manner to your customers.