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CS410 and Linksys WRT54G router no audio via remote phone


kellenw
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Equipment and connectivity:

- CS410 black box with the latest firmware connected to router using its LAN port (WAN port not connected)

- Snom 360 phones

- WRT54G router

- Static IP DSL connection

 

I'm trying to get a remotely located phone to work with the CS410. Local snom 360 phones register properly and send/receive audio fine. The remote phone registers and can place a call, but can not receive or send audio. Ports are properly forwarded in the router. I've even tried placing the CS410 in the DMZ without success.

 

Any suggestions? Any additional info needed?

 

I thank you kindly for any input you can provide.

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Are you using both Ethernet interfaces? How did you configure them?

 

The LAN interface on the cs410 is being used. The WAN interface is not. The LAN interface has been configured with it's own static IP outside of the router's DHCP range (to avoid any ip conflicts).

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The LAN interface on the cs410 is being used. The WAN interface is not. The LAN interface has been configured with it's own static IP outside of the router's DHCP range (to avoid any ip conflicts).

 

Well, if you have only one private address getting a phone registered from outside will be tricky. Keep in mind SIP is two-way communications, and the PBX needs to be able to tell the remote phone under what IP address it can be reached. Telling the remote phone to use 192.168.1.2 does not solve that problem. Therefore, you need to have a public IP address somewhere. Check out http://wiki.pbxnsip.com/index.php/Office_w...ic_IP_addresses for more information.

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Well, if you have only one private address getting a phone registered from outside will be tricky. Keep in mind SIP is two-way communications, and the PBX needs to be able to tell the remote phone under what IP address it can be reached. Telling the remote phone to use 192.168.1.2 does not solve that problem. Therefore, you need to have a public IP address somewhere. Check out http://wiki.pbxnsip.com/index.php/Office_w...ic_IP_addresses for more information.

 

We have a 5 static ip plan (4 available). However, the WRT54G obviously isn't capable of muli-wan ip's.

 

Is there an affordable and reliable router (with at least some basic QOS) you could suggest?

 

Thanks!

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We have a 5 static ip plan (4 available). However, the WRT54G obviously isn't capable of muli-wan ip's.

 

Is there an affordable and reliable router (with at least some basic QOS) you could suggest?

 

If you are just using IP on the WAN side, it might be an option to use the WAN interface of the CS410 for the public IP. Then you just need a hub/switch to connect the WAN to the router and the CS410. Then the CS410 will use one public IP address (and a private IP address, make sure it is a static one to avoid problems with the default IP gateway) and the router will use another public IP address. However in this setup, QoS will remain a problem.

 

In the ultra-low cost segment, I only know about OpenWRT project where you essentially load Linux on the router. That gives you a lot of options if you are able to setup Linux routing.

 

We did search for low-cost router solution some time ago. In the end we gave up on it and bought a standard Cisco router on eBay.

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