What is "sckl"

SCKL is a type of format used when sending image and ringtone data through Short Message Service (SMS) messages; most mobile phones can interpret this type of data, for some it will show the data as a text message. Not all networks, for example CDMA, iDEN and TDMA networks, can directly pass binary data to mobile phones. Ringtones and graphics contain binary data and Nokia's SCKL encoding provides a method of delivering binary data to a phone using only printable characters. Thus it allows ringtones and graphics to be delivered over CDMA, iDEN and TDMA networks. Clearly it also requires a phone that can correctly interpret the SCKL format and most Nokia phones can do this, as well as some phones from other manufacturers and many WAP compatible phones.