IP电话的技术障碍和未来发展

Technical Obstacles and Developing Trends of IP Telephony

IP电话价格低廉,却因为存在时延、无QoS保证、网络带宽及标准等技术问题影响了其推广应用,但这些障碍将被逐一清除。以发展的眼光看,IP领域有4个最新发展方向:赋予普通电话IP功能;赋予呼叫中心网络能力;统一传信;IP电视电话。人们也将寻求更为廉价的IP电话装置。

The deplopment of the low cost IP telephony is hindered by some technical problems such as time delay, QoS assurance, network bandwidth and standards.The problems will be gradually cleared.The IP arena is developing towards 4 trends: provisioning of IP functionality for POTS, networking capability for call center, unified messaging, and IP-based videotelephony.Even lower cost IP telephony devices are being sought after.