Hi, Can you tell me how SER computes the value of the branch parameter or where should I look for the algorithm? Thanks in advance! -- /"\ Best regards, | andrew.pogrebennyk (at) portaone.com \ / Andrew Pogrebennyk | http://callcc.livejournal.com/ X VoIP engineer | JID: marduk (at) jabber.lafox.net / \ ASCII Ribbon Campaign | Against HTML Mail and News