Difference between call forward and call divert and call transfer

Call transfer:

1. user A calls user B
   

2. user B answer the call and start talking with user A

3. user A press transfer and keep user B on hold

4. user A dial User C and start talking

5. user A transfer the call to user C

6. user B and C is talking now and user A exit the call

Call divert:

1. user A calls user B
   

2. user B without answering the call, transfer the call to user C

3. user C IP phone is ringing and user C answer the call and start talking with user A

Call forward:

1. user A calls user B
   

2. user B configure CFU (unconditional call forward)

3. user B IP phone is not ringing so he doesn't answer

4. call forwards automatically to user C and user C IP phone is ringing

5. user C answer the call and start talking with user A