Cleaning the Desktop Charger 129
2.Dip the end of a cotton swab in isopropyl alcohol.
3.Insert the swab into the connector and twist.
Do not push or pull the exposed battery pack connectors.
4.Repeat step 2 several times.
5.If available, blow compressed air into the connector to dry it.
Carrier VoIP
Nortel IP Phone WLAN Handset User Guide (CICM)
4 July 2008