I want to implement below configuration with asterisk
I have installed an asterisk IP PBX internally with IP 192.168.1.212/24
I have a router Cisco RV 042 with local IP 192.168.1.1/24 installed with a WAN static IP XXX.XXX.XXX.123
Now i want use SIP Dial from outside company with zoiper.
Please help me to implement this scenario.
Thanks in advance.