dial-up
adjective [ before noun ] uk/ˈdaɪ.əl.ʌp/ us/ˈdaɪ.əl.ʌp/
（计算机）拨号上网的
Dial-up computer systems, devices, and internet services use a phone line to connect them.
a dial-up connection 拨号接入
dial-up access/networking 拨号上网
a dial-up account/modem 拨号账户／调制解调器