VPN for small offices - series 2811 vs RV

Hi all

Need advice

I have a question about this material to use for a small remote office.

We currently have

  • 5 users
  • 5 7941 phones
  • 1 2811 (series, 2 FXS and 1 FXO)
  • 1 3560g

All voice devices are controlled by a CUCM 9 in our main offices. The 2811 is also an MGCP gateway.

Currently, they connect via a T1, that management wants to disconnect the reason for its high cost, the T1 is connected to a 2811 (C2800NM-ADVENTERPRISEK9-M) with the serial port and analog lines, behind the router, we a 3560 G 24 port (POE) with everyone connected.

They asked me to see if its possible to pass to a VPN site-to-site and possibly replace the 2811 and 3560 g with a much smaller device might be an all in one.

I've been looking around, and I did not any small business router that meets our needs. A tech colleague suggested looking in the RV series routers, but I don't see devices providing telephone services.

Any suggestions would be greatly appreciated.

Thanks in advance

Assuming you have a Cisco 2800/3800 series or better, at Headquarters, I would stick with the 2811 router and make a site to site VPN tunnel. You can actually register the phones through the tunnel and then use SRST for relief when the tunnel falls. Of course, preventing the phones to make and receive calls without the tunnel, but at least they will be able to talk to each other. If you are really worried about having at least a work phone then the internet connection breaks down at the remote desktop, you can buy a single line of POTS of the telco and run it on your FXO port. This line would serve for only emergency calls if you fall the tunnel. Nevertheless, the 2811 is much more powerful than the RV series (excluding the part on one of the models RV wireless).

Tags: Cisco Security

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