In this section (Figure 4.44) you can see the list of songs which shall be heard if the call is on hold. It is also possible to add more mp3 files to the list, clicking the connection Insert and after searching the localisation of the music file (clicking the button Browse...), write a brief description of the file in the field Name. To add the mp3 after all fields have been fulfilled, click the button Insert. You can also remove or modify the songs from the list clicking the name of the song and clicking Change or Delete.