Focus on the pronunciation of ring in
English definition of “ring in”
ring in — phrasal verb with ring
/rɪŋ/ verb (rang, rung)
› [I] COMMUNICATIONS, WORKPLACE to make a phone call to your place of work: Tim rang in to say he wouldn't be coming in. Men who need to look after a sick child are likely to ring in sick themselves rather than admit that they have problems at home.