求翻译：整体设计规划及安装调试。上海地区办公及仓库共五个部份的网络设备的安装及设试，各部份之间VPN连接。网络总体的优化（流量的控制，访问的控制），以及用户TDA600电话系统搭建。是什么意思？

The overall design plan and installation. Shanghai, a total of five office and warehouse part of the network equipment installation and set up the test, a VPN connection between the various parts. Overall network optimization (traffic control, access control), and user TDA600 telephone system set up

overall design and planning and installation and debugging. Shanghai region office and warehouse total of 5 and a part of the network, the installation of equipment and resources between the various parts VPN connections. The Network's overall optimization (Flow Control) of the control, visit TDA 60

The overall design plans and installs the debugging.The Shanghai area work and the warehouse altogether five part network equipment installment and supposes tries, between various parts VPN connection.Network overall optimization (current capacity control, visit control), as well as user TDA600 tele

Overall design planning, mounting and commissioning. Office and warehouse in Shanghai five parts of the installation of network equipment and set up testing, VPN connections between the various parts. Overall optimization of the network (flow control, control of access), as well as user TDA600 phone

Overall design planning, mounting and commissioning. Office and warehouse in Shanghai five parts of the installation of network equipment and set up testing, VPN connections between the various parts. Overall optimization of the network (flow control, control of access), as well as user TDA600 phone