Aiming at this problem, the paper intro-duces in detail the standards for IP phone and interworking of IP phone equipment.
为此文章对IP电话的标准及IP电话设备的互连互通问题进行了详细介绍。
Aiming at this problem, the paper intro-duces in detail the standards for IP phone and interworking of IP phone equipment.
为此文章对IP电话的标准及IP电话设备的互连互通问题进行了详细介绍。
应用推荐