On 04/11/2012 01:39 PM, upendra wrote: > Hi, > > can anyone tell me what does that 2.4.0+2.4.0 means in dahdi release > numbering ??? 2.4.0????? A combination of dahdi-linux 2.4.0 and dahdi-tools 2.4.0. See http://www.asterisk.org/downloads I recommend you use the latest version of both (2.6.0). Regards, Patrick