i have 3 questions on ccm 5.x, hope to get clarifications on
1- does ccm 5.x support both sip and sccp signaling protocols, that is can i have in my ccm 5.x cluster a combination of some ip phones running sip and some other ip phones run sccp
2- if so, what is the recommendation from cisco for choosing the signaling protocol in ccm 5.x, to be sip for all phones, sccp for all phones or a combination of both within the same cluster.
3- what about the licenses story for sip end points in ccm 5.x , either for a cisco sip or any third party sip end point, in other words, can those end points run even without a license (as in pre-ccm 5.x) or the ip phone won't work without a license, and how to get this license and install it on the ip phone (for either cisco or any other vendor ip phones)
thanks Sankar for ur helpful answer, is there a good document that explains the implementation process for installing cisco sccp phones and cisco sip phones (i mean cisco tftp config and firmare files issues) and also other vendor's sip phones with ccm 5.x
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