安装配置基本呼入呼出，Trunk连接，板卡，录音等功能并提供日常维护
安装调试内容 |
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|---|---|---|
| 外线号码 | 接入原有模拟线路电话线和号码，SIP号码，国际城市号码，VOIP国际优惠资费等 | |
| PBX及功能 | Elastix，FreePBX，asterisk等图文GUI界面系统基础安装及调试，实体机安装或虚拟机安装 | |
| 内线分机 | 手机APP，PC软件，硬件IP话机等购买或推荐 | |
| 网络安全 | 系统基础安全性，防盗打问题，语音带宽优化问题，防火墙端口相关 | |
Focus helping customer using VOIP phone system in china
CTS China VOIP Consulting
China Shanghai Local, China Beijing Local, Support China Mainland
Room 215 Building 4,Focus Innovation Park ,No. 3599 Yuanjiang Road, Minhang District, Shanghai
Shanghai, China , 200000
Telephone: +86 2134711797
Fax: +86 2134711797
China Unified / Consulting / Technical / Service
