A method is presented to transmit voice and fax on Digital Data Network (DDN) leased lines which guarantees high quality and real time service in a narrowband network.
英
美
- 針對窄帶數字網(wǎng)絡(luò )中傳輸傳統語(yǔ)音業(yè)務(wù)的質(zhì)量和實(shí)時(shí)性問(wèn)題 ,提出了一種在數字數據網(wǎng)絡(luò ) (digital data net-work,DDN)專(zhuān)線(xiàn)上傳輸高質(zhì)量語(yǔ)音和傳真的解決方案。