AudioCodes Mediant 800B User Manual page 609

User's Manual
♦
♦
The device automatically populates these tag variables with actual values in the
sent header:
User-Agent: Mozilla/4.0 (compatible; AudioCodes;
<NAME>;<MAC>;<VER>;<CONF>).
For example, if you set AupdHttpUserAgent = <NAME>;<VER>, the device sends
the following User-Agent header:
Mozilla/4.0 (compatible; AudioCodes; Mediant; 6.80.200.001)
Note:
the recommended method.
3. If the provisioning server has relevant files available for the device, the following
occurs based on file type:
•
Auxiliary Files (e.g., call progress tone / CPT): The device downloads the
Auxiliary file(s). These files are downloaded and updated only once, regardless
of how many times the device may repeat the Automatic Update mechanism;
once they are downloaded, the device discards their configured URLs. To update
the Auxiliary file(s) again, you must modify their URL addresses and filenames
configured by the relevant parameters (e.g., CptFileURL). For example:
Note:
transferring the SSL Private Key when downloading SSL certificates (Auxiliary file).
•
Firmware (.cmp), Auto-Update, or configuration (ini) files: The device uses
the HTTP If-Modified-Since header to determine whether to download these files.
This header contains the date and time (timestamp) when the device last
downloaded the file. This date and time is regardless of whether the file was
installed or not on the device. Below is an example of an If-Modified-Since
header:
If-Modified-Since: Mon, 1 Dec 2013 19:43:31 GMT
If the file on the provisioning server has not changed (modified) since the date
and time specified in this header, the server replies with an HTTP 304 response
and the file is not downloaded. If the file has been modified (i.e., server replies
with a 2xx response), the device downloads the file. The device then compares
the downloaded file's version with the currently installed version on its flash
memory. If the downloaded file is of a later version, the device installs it after the
device resets (which is only done after the device completes all file downloads);
otherwise, the device does not reset and does not install the file.
To enable this software (.cmp) file download method based on timestamp, use
the ini file parameter, AutoCmpFileUrl or CLI command, auto-firmware. This
parameter defines the software file name (.cmp) and the URL address where the
file is located.
Version 6.8
<VER> - software version currently installed on the device, e.g.,
"6.80.200.001"
<CONF> - configuration version, as configured in the ini file parameter,
INIFileVersion or CLI command, configuration-version
Implementation of the HTTP User-Agent header by the provisioning server is
For security, it is recommended to use HTTPS with mutual authentication for
40. Automatic Update Mechanism
609 Mediant 800B Gateway and E-SBC