What are the disadvantages of landline communications

Relative lack of functionality. Landline communications can only make simple calls, not video and typing chat, for people who need more multimedia interaction, some lack, so the disadvantages of landline communications is a relative lack of functionality. Advantages of fixed-line telephone communication: the stability of fixed-line telephone is strong, in the case of unstable network signals, fixed-line telephone can ensure the smoothness and durability of the call, the voice quality is also relatively good, can ensure the clarity and accuracy of the call, thus reducing misunderstandings and communication errors.