The OTT format is supported by most Nokia phones. More information on the RTTTL and OTT formats is available from www.nokia.com. RTTTL strings must be converted to OTT format before submitting.
Message body:
BODY
- type must have value RINGTONE
PAYLOAD
- type must have value OTT
- encoding must have value BASE64 or HEX
Example
For an RTTTL converted to OTT Base64: format:
...