A landline telephone (a wired home or office phone), used in contrast to a mobile phone; commonly used in forms and contact information.
仕事の連絡先は固定電話でも構いませんか？
Is it okay if the work contact number is a landline?
最近は固定電話を解約して携帯だけにする家庭が増えている。
Recently more households are canceling their landline and keeping only mobile phones.
固定電話の回線工事は来週行われる予定です。
The landline installation work is scheduled for next week.