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Joined: Sep 2009
Posts: 162
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Joined: Sep 2009
Posts: 162 |
I have a customer with an office located in 2 different cities. We have a SBX IP at one office and will be installing another one at the other location and networking them through the internet. He already has ststic IP from his ISP. I know that we have to do the VOIP cards and software activations, but what else do I need to know? I have seen posts about connecting in front of the router, but I do not understand what to do on that. Everything I have done has been behind the router and doing port forwarding. Any pointers would be greatly appreciated.
Scotty Woods Installation Technician N.E.T. Systems Blytheville, Arkansas
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Joined: Jan 2008
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Retired Moderator
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Port forwarding is a real pain and most of the time doesn't work because Ip guys don't like to open the hundreds of ports necessary to make voip function.
It is pretty simple...you need an exclusive public ip for each system. You install a data switch in front of any firewall/router the customer has. The switch will connect to the isp, the SBX and to the customer router. You program the ip card with that new address, gateway and subnetmask. You program those ip trunks as isdn and set up you networking tables and did/four digit extension numbers to ring at the correct stations. If you want busy lamps to function between the locations you will need a pc to act as the lamp server using that cheesy little blf program. It does work.
Derrick
Last edited by Derrick; 11/14/12 07:28 PM.
www.myrandomviews "Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about" Retired, taking photographs and hoping to fly one of my many kites.
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Joined: Sep 2009
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Thanks Derrick, That does sound quite simple. I am sure I will have more questions if my customer decides that he wants to do this.
Scotty Woods Installation Technician N.E.T. Systems Blytheville, Arkansas
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