Summary: such as emergency calls power off calls dialing scheme and fax and should also support a hybrid of interfaces such as telephone sets PBX and PSTN and so on Huawei s Solution Figure 3 Schematic diagram of enterprise voice service network Existing VoIP solutions can build networks with new generation AR routers and H 323 voice gateways Large sized branches can
Image Dimensions: 410 x 201
Image originally found here.