Inbound telephone calls received through interface 141 are distributed to answering queues 150 for response by agents operating telephony devices. In the embodiment of
The agents are associated with a sponsoring organization that sells or supplies products with the assistance of the call center. In an embodiment, the organization generates sales of one or more product through advertisements that give a phone number to prospective customers, and the prospective customers call into the call center using this phone number. In various embodiments, the agents in first pool 160 are authorized to offer an advertised product to a prospective customer (inbound caller), while the agents in second pool 170 are not authorized to offer the advertised product. In the present disclosure, for an agent to be authorized to offer a product to a prospective customer or lead means that the agent is authorized to pursue a sale of the product to the lead.