INDIANAPOLIS & TORONTO--(BUSINESS WIRE)--When Pizza Pizza Limited (TSX: PZA.UN), a prominent restaurant chain in Canada, began working with Interactive Intelligence (Nasdaq: ININ) nearly 10 years ago, the company needed a strategy for using work-at-home call center agents. By deploying communications technology that supported these at-home agents, the pizza chain believed it could improve hiring and retention rates, while lowering overhead costs. Since its deployment of the Interactive Intellige
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