Bereitschaftsdienst (Masculino)

call center service (Neutro)

call centre service (Neutro)

on-call service (Neutro)

standby service (Neutro)

servicio de centro de llamadas (Neutro)

servicio en espera (Neutro)

呼叫中心服务 (Neutro)

备用服务 (Neutro)