一个稳定高效的SIP协议栈适配层，是下一代网络核心业务平台的核心。

A stable and effective SIP stack adapter layer is the core component of next generation network service platform.

youdao

一个稳定高效的SIP协议栈适配层，是下一代网络核心业务平台的核心。

A stable and effective SIP stack adapter layer is the core component of next generation network service platform.

youdao