Binatone iDECT C10i User Manual - Page 45

"When I try to make a call, I hear busy tone"  If you're using a multi-handset system, check whether another handset is already on a call. "The volume in the earpiece is low when I'm on a call"  Make sure you're holding the earpiece correctly over your ear.  Adjust the volume using the UP/DOWN key. Intercom and transfer "I can't transfer a call"  Make sure the other handset is in range of the base unit.  Make sure you are dialling the correct number for the other handset. Batteries "The handset's battery cells are running low within an hour or two"  Before you first use the handset, you should have left it on the base unit or charger pod for 15 hours to charge the batteries fully.  You may need to replace the batteries.  Check the connection between the base unit and the mains power socket. "I try to recharge the batteries but I still get a warning that they are low"  You need to replace the batteries.  Dispose of used batteries safely - never burn them, or put them where they could get punctured.  Do not use non-rechargeable batteries in your handset - they may explode, causing damage. If the fault persists...  Disconnect all other instruments connected to the same line and try to make a call.  Disconnect the base unit from the telephone line and plug a different phone into the master telephone socket. Try making a call. If this works, the line is OK.  If the call does not work, and you are using a two-way socket adapter, remove it and plug a telephone directly into the socket.  If the call now works, the adapter may be faulty.  If you cannot make a call, the fault may be on the exchange line. Contact the service provider. 43