Refer to the exhibit. What enterprise IP telephony deployment model is represented？（） 
- A、core distribution access
- B、multisite with centralized call processing
- C、multisite with distributed call processing
- D、clustering over WAN
- E、PSTN-WAN
- F、Enterprise Composite Model
正确答案:C
答案解析:有
微信扫一扫手机做题