Tele2 raises voice quality to a new level

The mobile operator Tele2 announced the integration of a Tandem Free Operation (TFO), which is designed to improve voice quality for calls within the network.

Tele2 has implemented activation function Tandem Free Operation (TFO) in 16 regions of Russia.

As noted by the operator for customer voice quality is one of the key parameters of cellular communication, influence the overall satisfaction with the quality of communication. Option TFO improves voice quality for calls within the network. It does this by reducing the number of stages of encoding voice stream, leading to a deterioration in the quality of voice transmission.

Usually in the process of committing a voice call goes through several stages of encoding and decoding, the implementation of which go back a few milliseconds. However, at each stage in the original utterance distort, in connection with which there is deterioration in the quality of voice transmission. New option ruled out the chain of transformations extra step.

Function testing showed that TFO has a positive effect on the perception of the quality of communication, and in the shortest possible time. After just 3 months c power on TFO Tele2 subscribers point improvement in key voice settings, including an increase in clarity and intelligibility interlocutor.