FMB setparam

Example:
setparam 2001:wap will change configured APN name.
Answer:
New value 2001:wap

or if multiple parameters needed:

Example:
setparam 2001:wap2;2002:user;2003:pass will change configured APN name, APN username and APN password. SMS command of limited to 160 characters.
Answer:
New value 2001:wap2;2002:user;2003:pass