User Guide for the SIP-T48S IP Phone662. In the Upload Ringtone field, click Browse to locate a ring tone file (the file format mustbe *.wav) from your local system.3. Click Upload to upload the file.The custom ring tone appears in the pull-down list of Ring Type.You can only delete the custom ring tone by clicking Del when selecting the desired customring tone in the Ring Type field.NoteKey ToneIf you enable key tone, the phone will produce a sound when you press the keypad.To configure key tone via phone user interface:1. Tap ->Basic->Sound->Key Tone.The priority of ring tone for an incoming call on the phone is as follows:Contact ring tone (refer to Adding Groups) >Group ring tone (refer to Adding Groups) >Accountring tone >Phone ring tone.Single custom ring tone file must be within 8MB and total custom ring tone files must be within20MB.Uploading custom ring tones for your phone is configurable via web user interface only.
