Grandstream XML Application Guide - Manual (Page 6)

FIRMWARE VERSION 1.0.5.15 XML BASED DOWNLOADABLE PHONEBOOK GUIDE Page 6 of 15
Figure 3: GXP21xx/GXP14xx/GXP116x XML API Structure 2
As illustrated above, all the logic lies within the server side of the architecture. The
GXP21xx/GXP14xx/GXP116x phone just receives the XML documents and displays it accordingly.