[cisco-voip] CCM 6.1 and Firewalls

[Lelio Fulgenzi]

I wouldn't attempt an upgrade without testing it out in a lab first with a similar firewall and phones behind it. You can probably use an existing firewall and just point the phones to a different TFTP server.

Lelio
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Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
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Java-Clavis-Domus Theorem: The ability to keep your hands on the home keys is inversely
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  ----- Original Message ----- 
  From: STEVEN CASPER 
  To: cisco-voip at puck.nether.net 
  Sent: Thursday, May 01, 2008 9:59 AM
  Subject: [cisco-voip] CCM 6.1 and Firewalls


   We are upgrading to from 4.1.3 to 6.1.1 this month. I have a couple of hundred phones behind SCCP aware non-Cisco firewalls.  Has anything changed that may cause these phones not to register or operate correctly once we upgrade?

  Thanks!
  Steve
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