Stages
1) Introduction
2) Stating the time of day, reason for calling
3) Making a request
4) Leave your telephone number
5) Finish
Phrases
a) Could you call (ring, telephone) me back? / Would you mind ... ?
b) Thanks a lot, bye. / I'll talk to you later, bye
c) It's ten in the morning. I'm phoning (calling, ringing) to find out if ... / to see if ... / to let you know that ... / to tell you that ...
d) Hello, this is Ken. OR Hello, My name is Ken Beare (more formal)
e) My number is .... / You can reach me at .... / Call me at ...