i have the asterisk installed and configured with IP phone (grandstream gxp 2000) . it is working fine. i am trying to do 3 way calling.
In the settings, i have 4 accounts to be set up.
already i have a setup a account … it has got registered with asterisk and working. also to do the three way calling, do i need to set the same asterisk user name and password for the other accounts2 -4 ?