... -added voice services, including multi-party communication, IVR automatic connection, ring-back-tone, parallel ringing, sequential ringing, one ... capacity (64 Byte)450 Kpps450 Kpps450 Kpps450 Kpps450 KppsWAN speed with services200 Mbps200 Mbps200 Mbps200 Mbps200 MbpsDevice switching capacity8 ... type. Above items are just a part, many more huawei products are not listed out, please feel free contact ...