There are many ways to customize tono de llamada for your phone. You can use an open-source app like Ringdroid to assign ringtones to your contacts. You can even make your own alarms and notification sounds. Here are some tips to help you customize your upcoming phone calls. You can even set a theme to be played on your phone when you're not using it. This is a great way to set a personalised tone for your phone.
Another way to create ringtones is by editing the song that you want to send to a contact. You can edit the waveform by choosing the start and end points. You can also rename the sound clip and specify the type of alert you want to receive. If you're not sure what type of alert you want to get when you receive a call, choose ringtone as the default option. Then, search for the corresponding mp3 file.