So we deside to adopt an alternative method of exploiting IP networks for telephony service, in unframed mode transparently transporting the TDM frame without any attempt at interpreting the data.

• 正是这样的背景下，我们决定采用了另一种思路实现语音数据的IP网络传输，即在IP网络上透明地不做任何数据解释地传输TDM语音帧。