As part of the installation process, the phone requests for files from a file server. Using DHCP, address of the file server is obtained as part of the DHCP response from the DHCP server. The file server address is entered into the phone as part of the static addressing process.
The file server options are:
For IP500 V2 systems, the IP Office system's own memory card can be used as the source for the files. This is the recommended option and can be used for up to 50 phones.
For IP Office Server Edition systems, the system's own disk can be used as the source for the files used by the phones for the system' full supported phone's capacity.
HTTP redirection can be used to allow a separate server to provide the binary files for 9608, 9611, 9621 and 9641 phones whilst the IP Office system provides all other files.
The IP Office Manager application can also act as a file server for up to 5 phones. If the options above are not acceptable or do not match the capacity needs of the system, a 3rd party HTTP file server is required. The necessary phone firmware files need to be loaded onto that server.
Port Usage
The port used by an IP phone to request files depends on the type of phone.
Port
Usage
Phones
80
Unsecure: Phone firmware, settings and user data.
All
411
Secure: Settings, user data.
9608, 9611, 9621 and 9641 H.323 Phones
443
Secure: Phone firmware, settings and user data.
SIP Phones
8411
Unsecure: Phone firmware.
H.323 Remote Phones
For most newer phones, the port to use can be indicated through the DHCP response or phone settings file first given to the phone. If there is no response on that port the phone may fallback to one of the default port values. However, for some older legacy phones are hard-coded to fixed ports.
