I need an administration guide step by step in order o can to get the maximum use from cuomis there any document that coludí help me for?Sent from Cisco Technical Support iPhone App

We have a CCM 7.1.5.32900-2. When we try to made external call the IP Phone provide the tone and we dial the external phone number, ex.:9015591505050, and after is requered a Authorization PassCode, After of dial the APC, we received the message "Hig...