1. So sorry, I just saw your missed call. Is it a good time to talk now?
2. I’m sorry I couldn’t pick up your call. I was in the middle of something.
3. Apologize I missed your call. What can I do for you?
4. My phone died and I just saw that you’ve called me. How can I help you?
5. How are you doing?
6. I just called to remind you of our meeting at 5 pm.
7. Sorry, I missed your call. I was really busy.
8. I was in a hurry, so I couldn’t answer your call.
9. Sorry I couldn’t talk when you called me.
10. I meant to call you when I saw your missed call, but I forgot.
11. I was on the plane and I couldn’t take your call.
12. Sorry I couldn’t pick up the phone. I was having lunch.
13. I was working when you called me. Is it convenient to talk now?
14. Unfortunately, I lost my phone, so I couldn’t call you.
15. Sorry, I missed your call. I wasn’t expecting anyone to call me.
Missed call from an unknown number
16. I just noticed I have missed a call from this number and I just wanted to call you back and see what you were calling about?
17. This is Mathew, returning your call.
18. I have a missed call from this number. May I ask who is calling?
More formal
19. We apologize that we were unable to take your call.
20. This is Sarah from (COMPANY NAME). I received a missed call from this number. May I ask what your call was regarding?