urltrans question

Hi

Im currently using "cvs-20090506" version (with custom modifications for 
keyword handling) in my servers, earlier i was using cvs-20080808.

I started noticing that with new version some of my messages got wrong 
charset.

I traced error back to the urltrans.c file, where i found the following :

"cvs-20090506" version
...cut...
             switch (request->sms.coding) {
             case DC_UNDEF:
             case DC_7BIT:
                 octstr_append(result, octstr_imm("UTF-8"));
                 break;
...cut...

"cvs-20080808" version
...cut...
             switch (request->sms.coding) {
             case DC_UNDEF:
             case DC_7BIT:
                 octstr_append(result, octstr_imm("ISO-8859-1"));
                 break;
...cut...

Messages that came in thru SMSC connections were standard GSM charset 
(SMPP data coding 0 or data coding 3) but if i use
charset=%C in sms-service and my php script detects the charset using 
this parameter i got information that message is UTF-8 but it actually 
was ISO-8859-1 because no internal recoding was done.

Any ideas why this was changed in new version?

Illimar