HTTP-based Provisioning
An HTTP or HTTPS server can be located in the network in which the device is deployed, storing configuration and software files for the device to download. This doesn't require additional servers and is NAT-safe.
For example, assume the core network HTTPS server is https://www.corp.com. A master configuration ini file can be stored on the server, for example, https://www.corp.com/gateways/master.ini. This file could point to additional ini files, Auxiliary files (e.g., call progress tones), and software files (cmp), all on the same HTTP server or different HTTP servers in the network.
The main advantage of this method is that the device can be configured to periodically check the HTTP server for file updates. HTTP(S) is not sensitive to NAT devices, enabling configuration whenever needed without on-site intervention. For additional security, the URL may contain a different port, and username and password.
The only configuration required is to preconfigure the device(s) with the URL of the initial (master) ini file. This can be done using one of the following methods:
| ■ | DHCP, as described in DHCP-based Provisioning or via TFTP at a staging warehouse. The URL is configured using the IniFileURL parameter. |
| ■ | Private labeling (preconfigured during the manufacturing process). |
| ■ | Manually on-site, using the RS-232 port or Web interface. |
When the device is deployed at the customer site, local DHCP server provides the devices with IP addressing and DNS server information. From the URL provided in the DHCP response, the device can then contact the HTTP server at the core network and automatically download its configuration. The URL can be a simple file name or contain the device's MAC or IP address, e.g.:
| ■ | http://corp.com/config-<MAC>.ini - which becomes, for example, http://corp.com/config-00908f030012.ini |
| ■ | http://corp.com/<IP>/config.ini - which becomes, for example, http://corp.com/192.168.0.7/config.ini |
For more information on HTTP-based provisioning, see HTTP/S-Based Provisioning using the Automatic Update Feature.