Thank you for the prompt reply. very helpful

hi Amit, did you manage to resolve the issue , am in same situation

hi , i am having an issue with parallel connection on VG 320, when a third phone is connected, the two other phones lose dial tone. any idea what may be the cause.  

My case i s similar but our situation is that it is on ISDN PRA line , where after a call transfer one way voice is encountered , external caller can hear but ip phones user cannot hear . please  advise as all set up in Media resources are well confi...