Business telecommunications and IT systems

This page hosts guides that have been prepared by du Pré plc explaining how you can change the date and time on your telephone system.

In case of difficulties, or if your telephone system is not listed, please contact du Pré Support on 08450 34 55 66 or email This e-mail address is being protected from spambots. You need JavaScript enabled to view it

• Avaya Network Alchemy - system is fully automatic, no manual changes required
• Avaya IP Office - system is fully automatic, no manual changes required
• Avaya IP 500 - system is fully automatic, no manual changes required

• du Pré Connect hosted VoIP system - fully automatic, no manual changes required

• Interconnect 200
• Interconnect 3000 Console PC
• Interconnect 3000 Console

• Nortel BCM50, 200 & BCM400 v4

• Panasonic KXTDA
• Panasonic S-ICX & ICX
• Panasonic KXTD 816 and 1232
• Panasonic KXT 1232
• Panasonic KXT 308 and 616
• Panasonic KXT 206
• Panasonic DBS
• Panasonic SDBS
• Panasonic SBS
• Panasonic A-series (309, 616, 824, 1232)
• Panasonic KXT 7000, KXTD 208, KXTA 624 - please contact du Pré support on on 08450 34 55 66 or email This e-mail address is being protected from spambots. You need JavaScript enabled to view it

• Samsung NX 828
• Samsung SKP 308
• Samsung Compact 1 & 2, DCS, iDCS100 & 500, ViP, 408a & 408i, 816, OfficeServ 12, 100, 500, 7030, 7100, 7200 & 7400