Example of a RTTTL formatted ringtone:
Piano: Acoustic Grand
Piano: Bright Acoustic
Piano: Electric Grand
Piano: Honky-Tonk
Piano: Electric Piano 1
Piano: Electric Piano 2
Piano: Harpsichord
Piano: Clav
Chrom Percussion: Celesta
Chrom Percussion: Glockenspiel
Chrom Percussion: Music Box
Chrom Percussion: Vibraphone
Chrom Percussion: Marimba
Chrom Percussion: Xylophone
Chrom Percussion: Tubular Bells
Chrom Percussion: Dulcimer
Organ: Drawbar Organ
Organ: Percussive Organ
Organ: Rock Organ
Organ: Church Organ
Organ: Reed Organ
Organ: Accoridan
Organ: Harmonica
Organ: Tango Accordian
Guitar: Acoustic Guitar(nylon)
Guitar: Acoustic Guitar(steel)
Guitar: Electric Guitar(jazz)
Guitar: Electric Guitar(clean)
Guitar: Electric Guitar(muted)
Guitar: Overdriven Guitar
Guitar: Distortion Guitar
Guitar: Guitar Harmonics
Bass: Acoustic Bass
Bass: Electric Bass(finger)
Bass: Electric Bass(pick)
Bass: Fretless Bass
Bass: Slap Bass 1
Bass: Slap Bass 2
Bass: Synth Bass 1
Bass: Synth Bass 2
Strings: Violin
Strings: Viola
Strings: Cello
Strings: ContraBass
Strings: Tremolo Strings
Strings: Pizzicato Strings
Strings: Orchestral Strings
Strings: Timpani
Ensemble: String Ensemble 1
Ensemble: String Ensemble 2
Ensemble: SynthStrings 1
Ensemble: SynthStrings 2
Ensemble: Choir Aahs
Ensemble: Voice Oohs
Ensemble: Synth Voice
Ensemble: Orchestra Hit
Brass: Trumpet
Brass: Trombone
Brass: Tuba
Brass: Muted Trumpet
Brass: French Horn
Brass: Brass Section
Brass: SynthBrass 1
Brass: SynthBrass 2
Reed: Soprano Sax
Reed: Alto Sax
Reed: Tenor Sax
Reed: Baritone Sax
Reed: Oboe
Reed: English Horn
Reed: Bassoon
Reed: Clarinet
Pipe: Piccolo
Pipe: Flute
Pipe: Recorder
Pipe: Pan Flute
Pipe: Blown Bottle
Pipe: Skakuhachi
Pipe: Whistle
Pipe: Ocarina
Synth Lead: Lead 1 (square)
Synth Lead: Lead 2 (sawtooth)
Synth Lead: Lead 3 (calliope)
Synth Lead: Lead 4 (chiff)
Synth Lead: Lead 5 (charang)
Synth Lead: Lead 6 (voice)
Synth Lead: Lead 7 (fifths)
Synth Lead: Lead 8 (Bass+lead)
Synth Pad: Pad 1 (new age)
Synth Pad: Pad 2 (warm)
Synth Pad: Pad 3 (polysynth)
Synth Pad: Pad 4 (choir)
Synth Pad: Pad 5 (bowed)
Synth Pad: Pad 6 (metallic)
Synth Pad: Pad 7 (halo)
Synth Pad: Pad 8 (sweep)
Synth Effects: FX 1 (rain)
Synth Effects: FX 2 (soundtrack)
Synth Effects: FX 3 (crystal)
Synth Effects: FX 4 (atmosphere)
Synth Effects: FX 5 (brightness)
Synth Effects: FX 6 (goblins)
Synth Effects: FX 7 (echoes)
Synth Effects: FX 8 (sci-fi)
Ethnic: Sitar
Ethnic: Banjo
Ethnic: Shamisen
Ethnic: Koto
Ethnic: Kalimba
Ethnic: BagPipe
Ethnic: Fiddle
Ethnic: Shanai
Percussive: Tinkle Bell
Percussive: Agogo
Percussive: Steel Drums
Percussive: Woodblock
Percussive: Taiko Drum
Percussive: Melodic Tom
Percussive: Synth Drum
Percussive: Reverse Cymbal
Sound Effects: Guitar Fret Noise
Sound Effects: Breath Noise
Sound Effects: Seashore
Sound Effects: Bird Tweet
Sound Effects: Telephone Ring
Sound Effects: Helicopter
Sound Effects: Applause
Sound Effects: Gunshot