I like to make a internal callcenter, with 4 agents, all sip.
I think to buy a analog gateway for 4 ports FXO, so my question is.
Is possble to make transfer from SIP agents to Panasonic extensions? Blind and attended.
There are similar questons here. you can search the forum or
read dialplan tutrial.
It might be easier to use ARS. There are some sample in ARS as default.