8
Features
Supplementary
services
• Phone book
• Multiparty
• DTMF (Dual Tone Multi Frequency)
External interfaces • Connector for plug-in power supply unit
• Handset audio interface
• Mini-SIM card holder
• Antenna connector FME (male)
• RS232 interface (V.24/V.28 on the Sub-D
socket)
Accessories Antennae, SIM cards, power supply units,
RS232 cables, handsets and a mounting kit
for top-hat rails can be obtained from
different manufacturers. Recommended
suppliers are listed in the corresponding
interface description.