Grandstream Networks 386 user manual Ringing

HandyTone-386 User Manual	Grandstream Networks, Inc.
HandyTone-486 fails to register	Button flashes every 2 seconds (if SIP server is configured)
Firmware Upgrading	Button flashes every 2 seconds
Device Malfunctions	Red light steady on
GREEN LED mostly indicates normal working status
Message Waiting Indication	Button flashes every 2 seconds
RINGING	Button flashes at 1/10 second
RINGING INTERVAL	Button flashes every second
In Conversation	Green light steady on

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