?Does ISUP have a code for this? Is it consistently signalled in the intermachine world?? What about Q.931? (Sorry for unintentional off-list replies. This list doesn't send a list Reply-To seemingly.) -- Alex?Balashov?|?Principal?|?Evariste?Systems?LLC 303?Perimeter?Center?North,?Suite?300 Atlanta,?GA?30346 United?States Tel:?+1-800-250-5920?(toll-free)?/?+1-678-954-0671 (direct) Web:?http://www.evaristesys.com/, http://www.csrpswitch.com/ Sent?from?my?BlackBerry.