Want to use this with dect phone & fttp -do i need a connection to bt phone socket as well as router? not sure which wires needed for the base unit.

On the rear of the HT810 ATA unit you will see 3 sockets. The centre one is to connect the power supply mains adaptor. The left one coloured blue and marked with a globe symbol connects to a spare ethernet port on your router using a standard ethernet cable. My unit came with an ethernet cable. The right hand socket coloured green and marked with a telephone handset symbol connects directly to the telephone. The Grandstream has an American RJ 11 type socket so if your telephone has a standard BT plug you will require an RJ 11 plug to BT socket lead. I picked up one of these for £2 - 49. from Amazon. No other connections are needed. I am pleased to help and hope this solves the problem for you.

Will it convert voip call into analog to ring an analog phone over the voip system?

Correct, I have an analogue phone with 2 handsets. They work exactly the same as they used to with the BT line, but now they are connected to my router via this box and still function the same. The additional functions you get is you can see caller ID of the person that's calling at no extra cost, as well as being able to automatically divert withheld calls straight to voicemail. Well with the cost.

How do you use this to connect house alarm. Need analogue to send sms. Any setting up. Thanks in advance

Hi, I'm no expert on this as I only use my HT801 for calls and it's brilliant for that. I think that you may have to register with a voip provider and instead of using a phone, connect your alarm instead and the only Company that I know who will not charge a monthly fee is Sipgate basic and many of their apps are free including sms. If you want to make voip calls as well using an analogue phone/system, you will need the Grandstream HT802. I hope that this is helpful.

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📞 Elevate your calls—where classic meets cutting-edge connectivity!

PLUG PLAY SIMPLICITY - Easy setup with a single FXS port and EU power plug—get connected in minutes.
COMPACT DURABLE DESIGN - Sleek aluminum casing ensures longevity and a premium feel on your desk.
RELIABLE 10 100 MBPS ETHERNET - Stable, high-speed internet connection for crystal-clear calls every time.
SEAMLESS ANALOG TO VO IP BRIDGE - Connect your traditional phone effortlessly to modern VoIP networks.
PERFECT FOR REMOTE PROFESSIONALS - Stay connected with a lightweight, portable adapter designed for dynamic workspaces.

The Grandstream HandyTone HT801 ATA is a lightweight, aluminum-encased analog telephone adapter featuring one FXS port and a 10/100Mbps Ethernet port. Designed for seamless integration of traditional phones into VoIP networks, it offers easy plug-and-play setup with an EU power supply, making it ideal for professionals seeking reliable, high-quality voice communication in modern work environments.

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Manufacturer	Grandstream
Brand	Grandstream
Model Number	HT801
Batteries	1 CR123A batteries required.
Colour	various
Shape	Round
Material Type	Aluminum
Number of Items	1
Size	Standard
Lines Per Page	1
Manufacturer Part Number	HT801
Item Weight	200 g

Grandstream HandyTone HT801 ATA

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