Protocols/ports opening on a Firewall

[nonosensei]

Hello,

I am testing to put an IP Phone on a switch, which is separated to the CCM by a Firewall.

I have opened SCCP (TCP 2000) and RTP (UDP 19384 and 32768), and TFTP.

I does not work.

Did I have forget something? Could you tell me exactly what I have to open and in which direction?

Thanking you in advance

[Brandon Buffin · Accepted solution]

One problem with the information above is that RTP uses ports 16384 - 32768. Also, take a look at the Signaling, Media and Other Communication Between Phones and CallManager section of the following link. It gives the ports and directions for phone to CCM communication.

http://www.cisco.com/application/pdf/en/us/guest/products/ps5820/c1693/ccmigration_09186a00807217e1.pdf

Hope this helps. If so, please rate the post.

Brandon