topic Re: Ports required on the firewall for communication with CCM in IP Telephony and Phones https://community.cisco.com/t5/ip-telephony-and-phones/ports-required-on-the-firewall-for-communication-with-ccm/m-p/668598#M5601 <HTML><HEAD></HEAD><BODY><P>Hi, next url can be helpful for you:</P><P></P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00801a62b9.shtml" target="_blank">http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00801a62b9.shtml</A></P><P></P><P>Regards</P></BODY></HTML> Thu, 16 Nov 2006 08:57:30 GMT icabrera 2006-11-16T08:57:30Z Ports required on the firewall for communication with CCM https://community.cisco.com/t5/ip-telephony-and-phones/ports-required-on-the-firewall-for-communication-with-ccm/m-p/668597#M5600 <P>I have CCM 3.3 and a network which is behind the firewall. i would like to deploy VoIP phones which will regider to this CCM.</P><P>Can you let me know what all ports i need to open on the firewall to allow VoIP calls from the network</P><P></P><P>Attached network diagram</P><P></P><P>Narayan</P><P></P><P></P><P> </P><P></P> Fri, 15 Mar 2019 01:50:22 GMT https://community.cisco.com/t5/ip-telephony-and-phones/ports-required-on-the-firewall-for-communication-with-ccm/m-p/668597#M5600 royalblues 2019-03-15T01:50:22Z Re: Ports required on the firewall for communication with CCM https://community.cisco.com/t5/ip-telephony-and-phones/ports-required-on-the-firewall-for-communication-with-ccm/m-p/668598#M5601 <HTML><HEAD></HEAD><BODY><P>Hi, next url can be helpful for you:</P><P></P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00801a62b9.shtml" target="_blank">http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00801a62b9.shtml</A></P><P></P><P>Regards</P></BODY></HTML> Thu, 16 Nov 2006 08:57:30 GMT https://community.cisco.com/t5/ip-telephony-and-phones/ports-required-on-the-firewall-for-communication-with-ccm/m-p/668598#M5601 icabrera 2006-11-16T08:57:30Z