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Router Suggestions for VoIP

Good morning,

I need some help finding a router that will permit me to put more than one IP address in a DMZ.  Currently, I have a consumer-grade router (Netgear) deployed that services a home office environment.  We have about five PCs and two pure VoIP phones on it.  

The VoIP IPs apparently conflict with one another and result in erratic behavior by the phones (such as not ringing).  The VoIP provider (an ISP) told us that we had to put both VoIP phones in a DMZ.  The current router only lets us put one device in a DMZ.

Can anyone provide me with suggestions regarding reasonably priced routers that will help me solve this problem?

Thanks.
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cclausen1
Asked:
cclausen1
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2 Solutions
 
rexxusCommented:
Have a look at some of the linksys business products, one such as Model # BEFSR41 should do what you're after.

More specs can be found at http://www.linksysbycisco.com/US/en/products/BEFSR41

The next step up would be a Cisco router (Cisco own Linksys) but they are considered company/enterprise grade so cost more.  But a basic Cisco 800 series router could perform what you're asking and run you 500 - 1000 depending on model and specs

http://www.cisco.com/en/US/products/hw/routers/ps380/index.html

Which model will depend on if you have DSL, cable etc

Cisco 857 router has a DSL interface

Cisco 851 has an ethernet WAN port if you already have a DSL modem or cable modem

Although you'll need another switch or hub with the 851 or 857

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API_NOCCommented:
What is the model of the Netgear that you have now?  Check and see if the latest version of firmware supports VOIP ALG (application level gateway).  Once that feature is turned on, it will allow you to have multiple VOIP devices behind the same single WAN ip address - and you do not have to use the DMZ.   Also, you cannot just get any off-the shelf router to do this.  The ones labelled as Vonage or AT&T will only allow you to use those services and not any other VOIP carrier.
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Kamran ArshadCommented:
Hi,

You can use UTM like Juniper SSG-5.

www.juniper.net
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API_NOCCommented:
You can also get an Edgemarc Device http://edgewaternetworks.com/edgemarc_overview_page.htm and hang your netgear off of it and plug your VoIP devices directly off the Edgemarc
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