A method for network-based telephony, executable by a computer device, characterized in that the method comprises: performing time-frequency transformation on an acquired audio signal to obtain a plurality of pieces of frequency domain information of the audio signal; determining a target bit rate corresponding to the audio signal according to the plurality of pieces of frequency domain information, comprising: inputting the plurality of pieces of frequency domain information into a bit rate prediction model, so that the bit rate prediction model outputs a plurality of first bit rates, and the plurality of first bit rates enable speech quality of the network-based telephony to meet a target speech quality condition; and determining a first bit rate that meets a target condition from the plurality of first bit rates as the target bit rate; encoding the audio signal based on the target bit rate; and performing a network-based telephony based on the encoded audio signal, wherein determining the first bit rate that meets the target condition from the plurality of first bit rates as the target bit rate comprises: dividing first bit rates having the same bit rate value in the plurality of first bit rates into a bit rate group; obtaining a quantity of first bit rates comprised in each bit rate group, and determining a bit rate group comprising the largest quantity of the first bit rates as a target bit rate group; and determining the first bit rate comprised in the target bit rate group as the target bit rate; or wherein the method further comprises: before inputting the plurality of pieces of frequency domain information into the bit rate prediction model, performing model training based on a sample data set to obtain the bit rate prediction model, the sample data set comprising a plurality of sample audio signals and sample bit rates corresponding to the plurality of sample audio signals, the plurality of sample audio signals meeting a same speech quality condition. performing time-frequency transformation on an acquired audio signal to obtain a plurality of pieces of frequency domain information of the audio signal; determining a target bit rate corresponding to the audio signal according to the plurality of pieces of frequency domain information, comprising: inputting the plurality of pieces of frequency domain information into a bit rate prediction model, so that the bit rate prediction model outputs a plurality of first bit rates, and the plurality of first bit rates enable speech quality of the network-based telephony to meet a target speech quality condition; and determining a first bit rate that meets a target condition from the plurality of first bit rates as the target bit rate; encoding the audio signal based on the target bit rate; and performing a network-based telephony based on the encoded audio signal, wherein determining the first bit rate that meets the target condition from the plurality of first bit rates as the target bit rate comprises: dividing first bit rates having the same bit rate value in the plurality of first bit rates into a bit rate group; obtaining a quantity of first bit rates comprised in each bit rate group, and determining a bit rate group comprising the largest quantity of the first bit rates as a target bit rate group; and determining the first bit rate comprised in the target bit rate group as the target bit rate; or dividing first bit rates having the same bit rate value in the plurality of first bit rates into a bit rate group; obtaining a quantity of first bit rates comprised in each bit rate group, and determining a bit rate group comprising the largest quantity of the first bit rates as a target bit rate group; and determining the first bit rate comprised in the target bit rate group as the target bit rate; wherein the method further comprises: before inputting the plurality of pieces of frequency domain information into the bit rate prediction model, performing model training based on a sample data set to obtain the bit rate prediction model, the sample data set comprising a plurality of sample audio signals and sample bit rates corresponding to the plurality of sample audio signals, the plurality of sample audio signals meeting a same speech quality condition.