Question about Cisco SPA504G IP Phone
When power on, nothing on screen, red mute key, green headset key & green loudspeaker key nothing else. Any advice how to fix?
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Posted on Jan 02, 2017
SOURCE: no dial tone on cisco 504G phone
to use an Ethernet phone you will need a VOIP supplier ( You will need to Google this for the country you are in ) . You will not be able to use it until you have these set up. Ethernet phones are not like a standard home phone which use your local exchange to route your calls they use servers on the internet to do that and route your call to landlines.
I hope this helps if so please give me a thumbs up
Posted on Jul 23, 2010
Tips for a great answer:
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Start with the headset powered on. Press and hold down
the call control button while also rotating the multi function dial
upward (away from the light) until the indicator light on the headset
starts flashing red then green. When prompted for passkey, enter
For the Plantronics M1000 (discontinued):
Hit and hold the volume/mute switch in until the indication light starts blinking.
For the Plantronics M1500 & A500 adapter (discontinued): Turn the headset on and the adapter off. On the headset push in and hold the mute/volume dial until the indicator light begins to flash. On the adapter press and hold the blue power button for 10 seconds. The light on the adapter will flash once after 3 seconds- continue to hold the power button for another-7 seconds until the light flashes red. If the pairing is successful, the headset will sound a tone and both the headset and adapter lights will turn off.
For both the Plantronics M1000/M1500 (discontinued): If you remove the battery cover from the headset and then remove the battery itself. On the Green PC board itself there will be a letter followed by 4 numbers. These 4 numbers are your personal PIN code.
You can also use the Plantronics Bluetooth Pairing Guide
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