We are running 4 of them between our sites, and here is my experience:

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They do what they need to fairly well. The price is certainly a good selling point. The SPA phones are really pretty good. I've had a few out right failures, but for the majority they just work.

The day to day interface, Cisco Unity Express (CUE) is a good interface and makes life a lot easier to administer. The one thing that it doesn't do well that I wish it did is handle rearranging the extensions on a phone with a sidecar. If all you're going to need to do is add phones, change extensions, and reset passwords it is great.

Fully Refurbished and Tested with Lifetime Warranty UC560 with 24 User Licenses, CME Base Unified Communications for Small Businesses Communicate effectively by reaching the right resource the first time. Now your small business can deploy an affordable, easy-to-manage communications system with Cisco Unified Communi. May 25, 2012. Table 4, 'Cisco UC560 Software Packages,' on page 15. Table 2 Cisco UC520 Software Packages. UC520 Software Pack Version Filename. After installing a UC500 software pack that contains version 8.5(3) phone firmware for Cisco Model 79xx IP phones, Model 79xx phones being upgraded from firmware versions prior to 8.5(2) may not register,.

The deeper interface is accessed via one of the worst tools I've had the privilege of working with, Cisco Configuration Assistant. I hate it when I have to launch this Java based app. It is slow and buggy. Hopefully they are improving it, since they are telling everyone that you have to start using it instead of the CLI. All in all, this is the biggest negative in my experience with UC560.

If you're going to have more than one site there are a couple of gotchas. First, you can't access multi site directories. The UC's function in more of a workgroup style hierarchy. What I mean by this is that the users on one UC are not directly accessible to another UC. You can get the UC's to present the user's name to the caller, but there is no directory or voicemail transferring between sites.

One more caveat that our vendor informed us of after we had the system installed and paid for it was that 4 is the maximum number of sites that Cisco will support on these.

In our situation (4 sites with 30-60 phones per site) I would never recommend a UC560. If you have only one site I imagine that the UC560 would be a great solution.

For the last two days I have not been focused on my CCNP switch exam however I have been busy with other Cisco related stuff. I have been playing around with UC540, all I can say is if there one device I can choose from Cisco this should be it. The ultimate ISR, it does switching, routing, VPN, voip, integrate with your PSTN and wireless. That is just sick technology in this small baby. Plus! it is quiet.

While going through all the UC540s making sure everything is running ‘A’ ok. One of them had a 128Mb flash obviously swapped. Found it in one of the 1841s erased, awesome! So I had this exciting job of restoring the thing.

When a router is rebooted without an IOS image file, it will come up in ROMMON mode.
This can be a very frustrating experience for users who are not familar with this process.
Using this document, you should be able to put a new image on the UC540

Connect a PC/Laptop to the WAN port. Don’t worry if the port won’t do anything.

I have given the PC the following settings:
IP Address: 192.168.1.100
Netmask: 255.255.255.0
Default Gateway: 192.168.1.200

I made sure I have the TAR file of the UC540 to extract the phone files and the IOS image itself. I am also using Solarwinds TFTP server. Make sure this is started.

In my example, the file is uc500-advipservicesk9-mz.124-20.T2. This is case sensitive.
You can get image files from http://www.cisco.com/cgi-bin/tablebuild.pl/UC520.
They are inside of software packs but start off with uc500-advipservices.
You must have a CCO login to access that URL.

The following commands will configure the UC500 and start the TFTP download process. You must connect to the console port of the UC500 for the next steps.

rommon 10 > IP_ADDRESS=192.168.1.200 (This is the temporary IP address assigned to the UC500)
rommon 11 > IP_SUBNET_MASK=255.255.255.0 (Same as on the tftp server)
rommon 12 > DEFAULT_GATEWAY=192.168.1.100
rommon 13 > TFTP_SERVER=192.168.1.100 (Tftp server’s IP address)
rommon 14 > TFTP_FILE=uc500-advipservicesk9-mz.124-20.T2 (Exact name – case sensitive)
rommon 15 > TFTP_CHECKSUM=0
rommon 16 > tftpdnld
it will ask you then if you want to continue with the tftp download process

This text following text will allow you to cut and paste, making this process easier.

At this point, the router should reboot and come up with the new image.

At this point its not yet done, I still need to extract the phone files on the router via TFTP server with the command.

Router# archive tar /extract tftp://192.168.1.100/uc540.tar flash:

Once everything is extracted, type dir and look for the file: UC540W-FXO-K9-factory-7.1.3.cfg then overwrite the start-up config

Router# copy flash:UC540W-FXO-K9-factory-7.1.3.cfg start

Router#reload