Grandstream GVC3200 phone book XML guide - Manual (Page 6)

GVC3200 XML Based Downloadable Phonebook Guide Page 5 of 23
the HTTP GET Request to the HTTP server and waits for the response. Once the device receives the
response with XML content in BODY, it displays the information.
Figure 1: GVC3200 XML API via HTTP
Two types of XML API architecture are introduced below, depending on whether the transaction is via LAN
or Internet.
1. A transaction in the LAN may exchange information in the following manner. The GVC3200 sends a
request to the web server via HTTP/TFTP and waits for a response with the XML contents. The web
server will handle the request and communicate with the application server to get the information for
the XML phone book content display. The following figure shows downloading XML phone book file via
HTTP within a LAN.
Figure 2: GVC3200 XML API Structure 1
2. If the above Web Server accesses Internet, it could interact with outside web server and respond with
real-time content to the GVC3200.