A communication method, comprising: establishing (S110), by a first user equipment, an Internet-based Web Real-Time Communication, WebRTC, multimedia communication with a second user equipment, wherein the Internet-based WebRTC multimedia communication comprises Internet-based WebRTC audio communication and Internet-based WebRTC non-audio communication; and determining (S202), by the first user equipment, that the audio communication with the second user equipment needs to be changed from the Internet-based WebRTC audio communication to the telecommunications domain-based audio communication and by determining, by the first user equipment, that a quality value of the Internet-based communication with the second user equipment is beyond a predetermined range, in response, establishing (S120), by the first user equipment, telecommunications domain-based audio communication with the second user equipment, and disconnecting, by the first user equipment in a case in which the Internet-based WebRTC non-audio communication with the second user equipment remains, the Internet-based WebRTC audio communication with the second user equipment; thereby releasing more bandwidth for the Internet-based WebRTC non-audio communication between the first user equipment and second user equipment, wherein the Internet-based WebRTC multimedia communication is implemented by using WebRTC identifiers and WebRTC accounts of the first user equipment and the second user equipment, the telecommunications domain-based audio communication with the second user equipment is implemented by calling the telecommunication number of the second user equipment. establishing (S110), by a first user equipment, an Internet-based Web Real-Time Communication, WebRTC, multimedia communication with a second user equipment, wherein the Internet-based WebRTC multimedia communication comprises Internet-based WebRTC audio communication and Internet-based WebRTC non-audio communication; and determining (S202), by the first user equipment, that the audio communication with the second user equipment needs to be changed from the Internet-based WebRTC audio communication to the telecommunications domain-based audio communication and by determining, by the first user equipment, that a quality value of the Internet-based communication with the second user equipment is beyond a predetermined range, in response, establishing (S120), by the first user equipment, telecommunications domain-based audio communication with the second user equipment, and disconnecting, by the first user equipment in a case in which the Internet-based WebRTC non-audio communication with the second user equipment remains, the Internet-based WebRTC audio communication with the second user equipment; thereby releasing more bandwidth for the Internet-based WebRTC non-audio communication between the first user equipment and second user equipment, wherein the Internet-based WebRTC multimedia communication is implemented by using WebRTC identifiers and WebRTC accounts of the first user equipment and the second user equipment, the telecommunications domain-based audio communication with the second user equipment is implemented by calling the telecommunication number of the second user equipment. <EOS>