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HandyTone | Grandstream Networks, Inc. | |||||
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| Firmware Upgrading |
| Button flashes every 2 seconds |
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| Device Malfunctions |
| Red light steady on |
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| GREEN LED mostly indicates normal working status |
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| Message Waiting Indication |
| Button flashes every 2 seconds |
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| RINGING |
| Button flashes at 1/10 second |
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| RINGING INTERVAL |
| Button flashes every second |
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| In Conversation |
| Green light steady on |
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