Published at LXer:
O'Brien Automotive Team is a large car dealership conglomerate based in Peoria, Ill. When the company built new headquarters recently, it needed a phone system flexible and cost-effective enough to satisfy the needs of 200 employees at the home office, and hundreds more staff at nine local dealerships in four states. After evaluating options and wrangling with incompetent vendors, O'Brien went with an open source Asterisk solution.
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