voice mode meaning in English

单音色方式
声音方式

Focus on how to develop the voice services on ip man , and increase added value sevices , i . e . to develop the pure sip packet voice on broadband man , and to boundling real time message and presence , i . e . to develop the pure sip pachet voice mode on the broadband man , boundling the real time message and presence services
?将发展的重点放在如何在宽带ip城域网上增加话音业务，提高增值收入方面。即在宽带城域网上发展纯sip分组话音方式，绑定即时消息和用户状态（ presence ）业务；