The 4620 IP Telephone is cost effective and provides a large screen graphic display, paperless button labels, call log, speed dial,24 programmable feature keys, Web browser, and full duplex speakerphone. The 4620 also supports IRDA and is the only IP telephone to support the EU24 (expansion module).The 4620SW supports the same features as the 4620, but is the required version for Unicode support. It also includes a 2 port Ethernet switch. With the introduction of R2.1, both the 4610SW and 4620SW become more functional application platforms. Both telephones now support 3rd party applications that can push content to the displays or audio path. Emergency alerts and other applications are now supported.
