Topcom Butler 4812 USB VoIP
| The skype audio devices are not | Open Skype and select ‘Tools’ |
| set to the USB phone | |
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| devices’ settings, make sure all |
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| are set to the |
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| headset’ |
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No PC sound anymore | The audio device for Audio is not | Go to ‘Control panel’, and select |
when using other | set correct in Windows to you PC | ’Audio and sound devices’ |
applications | audio card | select ‘Audio’ |
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| playback and recording are set to |
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| your PC audio card |
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9 Technical characteristics
Standard: | DECT ( Digital Enhanced Cordless Telecommunications ) |
| GAP ( Generic Access Profile ) |
Frequency range: | 1880 MHZ to 1900 MHz |
Number of channels: | 120 duplex channels |
Modulation: | GFSK |
Speech coding: | 32 kbit/s |
Emission power: | 10 mW ( average power per channel ) |
Range: | 300 m in open space /50 m maximum inhouse |
Base power supply: | 230 V / 50 Hz for the base |
Handset Batteries: | 2 rechargeable batteries AAA, NiMh 600mAh |
Handset autonomy: | 120 hours in standby |
Talk time: | 13 hours |
Charging time: | |
Normal conditions of use: | +5 °C to +45 °C |
Dialling mode: | Pulse / Tone |
10 Topcom warranty
10.1 Warranty period
The Topcom units have a
The warranty has to be proven by presentation of the original purchase receipt, on which the date of purchase and the
10.2 Warranty handling
A faulty unit needs to be returned to a Topcom service centre including a valid purchase note.
If the unit develops a fault during the warranty period, Topcom or its officially appointed service centre will repair any defects caused by material or manufacturing faults free of charge.
Topcom will at its discretion fulfil its warranty obligations by either repairing or exchanging the faulty units or parts of the faulty units. In case of replacement, colour and model can be different from the original purchased unit.
The initial purchase date shall determine the start of the warranty period. The warranty period is not extended if the unit is exchanged or repaired by Topcom or its appointed service centres.
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