To start off with I have created a set of files that will help you get started, you can download the set here (download).
Inside the zip file are the following files: Let’s assume your phone’s mac address is 0023331BEA0A, we will need a file named SEP0023331BEA0xml for the phone to configure itself.
According to Cisco, when initiating a factory reset procedure certain information from the IP phone is erased while other information is reset to the factory default value, as shown in the list below: Information Erased: It is highly advisable to follow the firmware upgrade procedure in a non-working environment to ensure other phones are not affected (in case of an accidental reboot), and to avoid the freshly factory reset ip phones obtaining the working environment’s settings.
Cisco IP phone SCCP firmware files version 9.2., 7965 & 7975 IP phones (latest version at the time of writing this article) are available at our Cisco IP Phone & ATA Firmware Download section. When performing the factory reset procedure we are about to describe it is important to keep in mind that the IP phone will lose all configuration files and phone application.
Cisco IP Phone displays XML Parse Error when trying to do a corporate directory search models are able work server in some capacity.