A Powerful Next Generation Voice Suite The 966R is a powerful multi-channel IP Telephony test server designed to provide service providers and manufacturers a robust test platform to remotely monitor, turn-up, and maintain voice, fax and data services. In today’s environment, test tools need to be cost-effective in both form and function. And with its broad range of instrument quality test features and its ability to be configured as a single or multi-user platform, the 966R can be shared to meet a variety of requirements in a Next Generation environment.