tdmaBcMateBearerChannel 1.3.6.1.4.1.562.2.4.1.136.101.1.4

This attribute contains the name of the mate TdmaIwfBearerChannel that this TdmaIwfBearerChannel is involved with in the currently active call. In the case of a FastConnect call, this mate is a TdmaIwfFcBearerChannel.