Vance wants his company to consider using Jajah for VOIP telephone calls instead of its existing telephone provider.In the buying center concept,what role does Vance play?

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The Answer of Vance wants his company to consider using Jajah for VOIP telephone calls instead of its existing telephone provider.In the buying center concept,what role does Vance play?

Vance Wants His Company to Consider Using Jajah for VOIP