"home zone" functionality
tilman at baumann.name
Thu Apr 17 11:59:31 CEST 2008
Alexey Feldgendler wrote:
> On Thu, 17 Apr 2008 10:34:20 +0200, Tilman Baumann <tilman at baumann.name>
>> The home zone icon uses a rather strange SMS feature.
>> I don't know details. But there are several message types.
>> Like messages which pop up without asking the user to open it.
>> Or like the O2 logo. Which is a SMS with (smehow) a emebedded
>> pictogram ebedded. Which your phone shows in some status bar or the
>> This icon can only be re-set if you get a special delete SMS.
> AFAIK there are no such things as executable code in SMS.
Sure not, never said that.
> There are
> specially formatted SMS that set or recent certain flags. For example,
> there are standardized flags (and ways to set and reset them) for
> voicemail and fax icons. O2 is probably using an undocumented (reserved)
> flag bit for their home icon.
AFAIK it's really a picture.
More information about the community