Pfsense allow VOIP traffic from Internet

[pridepk]

Hi

I am not so expert, I have setup a server with Vmware application in which I installed Asterisknow and pfsense applications. All configuration are good and we are able to connect IP phone on local network. Now I need some help! How can I allow my VOIP traffic through internet. I want to connect an IP phone from internet.

Thanks in Advance

[kejianshi]

How many IP do you have?

Will the phone connecting to you be behind NAT (Will it be one of many devices on a network like 192.168.1.1)?

Is your asterisk server getting its own public IP at the server?

I ask all these questions because I think if you are planning to run an AsteriskNow server for phones outside your network and not using VPN, you will not have good luck.  I expect you to get it to register but either have 1 way audio or no audio at all if Asterisk is behind NAT.

[pridepk]

Thanks you got my point.

I have 5 lives IP pool, one is assigned to pfsense wan port and I have not yet assigned any live IP to Asterisknow server. I also get your point that it good to use VPN service to connect IP phone.

Actually I need know what steps should I have taken to connect my IP phones through internet.