摘要 |
<p>A method and device for bearing a circuit switched domain voice service. A first network device receives, through a first interface, at least one first voice frame sent by a second network device, wherein the first network device is a network device of a first mode, and the second network device is a network device of a second mode or a network device compatible with the first mode and the second mode (201); and the first network device sends the at least one first voice frame to a user equipment (UE) through a second interface (202).</p> |