OK thank you. but i didn't understand the cost of the license

ok, I have the Enterprice image.my px configuration is:Users: 10 **** 400Password Lda *******SIP Server: sip3.openvoip.itProtocol: TCPOutbound Proxy: sip3.openvoip.ithow do i insert it into the phone?

i've sip88xx.12-7-1-0001-393 firmware

Yes, I read.1 how do i know if i have Enterprise or 3PCC firmware?2 what is the call manager for and how is it configured?3 do I have to download a particular firmware and replace it or just enter the SIP configuration on the phone without replacing ...

Hi, I'm new. I purchased a cisco CP-8851-k9 v08. I would like to use it with third party sip providers. how should i do?