FIELD: information technology.
SUBSTANCE: in the method for speech compensation in a mobile communication network, at each frame processing instant, the device determines on the network side whether the received or transmitted speech frame is an incorrect frame or not, and if yes, it determines whether the incorrect frame is a frame with speed mode not equal to 1/8 or not; and if yes, the device on the network side performs speech compensation for the incorrect frame. The system, which is in the device on the network side, has an incorrect frame detecting node and a speech compensation node.
EFFECT: high quality of speech in mobile communication network.
