<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'>As mentioned in a previous thread, I'm updating our voice VLAN ACLs<span>. I'm using 'established' entries to help out, but I'm going to assume many of the protocols are two way, so I'd like to include those where possible.<br><br>In reading the documentation, some of the requirements show what I'm pretty sure is a one way connection, i.e. Phone -> Unified CM = 2000/TCP. I take this to mean the phone picks a random TCP port and communicates to the </span><span id="7cfbb40c-a4b1-4204-bd00-d872375142d4">Unified CM </span><span id="7cfbb40c-a4b1-4204-bd00-d872375142d4"> on port 2000 from this random port.<br><br>Others show Phone -> Unified CM = 5060/TCP,UDP and the opposite, </span><span id="7cfbb40c-a4b1-4204-bd00-d872375142d4">Unified CM -> </span><span id="7cfbb40c-a4b1-4204-bd00-d872375142d4">Phone </span><span id="7cfbb40c-a4b1-4204-bd00-d872375142d4">= 5060/TCP,UDP.<br><br>Does this mean that the phone talks to Unified CM using port 5060 to port 5060, -or- does it mean that the phone picks a random port to talk to the Unified CM port 5060 and sometimes the Unified CM picks a random port to talk to the Phone's 5060 port?<br><br>There two different things in my opinion.<br><br>Thoughts?<br><br>Lelio<br><br></span><span id="7cfbb40c-a4b1-4204-bd00-d872375142d4"><br><span name="x"></span>---<br>Lelio Fulgenzi, B.A.<br>Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>Cooking with unix is easy. You just sed it and forget it. <br> - LFJ (with apologies to Mr. Popeil)<br><span name="x"></span><br></span><br></div></body></html>