Does it work with google voice? if it does then how hard is it to setup with google voice as compared to obi devices?

Yes googlevoice can be added Get an account at https://www2.pbxes.com/ add googlevoice trunks to pbxes.com and setup extensions on HT812 more details here http://nerdvittles.com/?p=26971

Will this convert digital voip signal to analog on a stand alone caller id unit? (connected to a point of sale system).

Yes. You will connect the device to your internal or external SIP service, then it will ring and pass through the caller ID between the rings, just like a regular phone line. Also, the caller ID is enabled by default.

What firmware and hardware rev will I get when I purchase it today?

Dear Customer, Hardware Version: V4.0A Part Number -- 9610005040A Software Version: Program -- 1.0.35.4 Bootloader -- 1.0.35.1 Core -- 1.0.35.3 Base -- 1.0.35.4 CPE -- 1.0.4.5 Best Regards, Flytec Computers.

Can this be set up to connect as an openvpn client?

OpenVPN client support was added to the Grandstream HT812 firmware version 1.0.29.8 and later. This means that if your device is running firmware version 1.0.29.8 or later, you should be able to set up the HT812 as an OpenVPN client.

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Grandstream Powerful 2-Port ATA with Gigabit NAT Router

Product ID: 38062621

Details

Antenna Type
Fixed
Brand
Grandstream
Color
black
Compatible Devices
Personal
Connectivity Technology
Ethernet
Frequency Band Class
Single-Band

⚡Dual Gigabit ports for blazing speed

📞2 SIP profiles via 2 FXS ports

🔒TLS & SRTP encryption for secure calls

€ 139.51

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📞 Stay connected, secure, and ahead with Grandstream’s powerhouse ATA!

DUAL SIP PROFILES - Manage two separate SIP lines simultaneously for ultimate flexibility.
ROCK SOLID SECURITY - Advanced TLS and SRTP encryption protect every call and account.
BLAZING FAST CONNECTIVITY - Dual Gigabit NAT router delivering up to 100Mbps routing speeds.
PLUG AND FORGET RELIABILITY - Compact, cool-running design with stable performance once configured.
SEAMLESS LEGACY INTEGRATION - Keep your landline number alive with effortless VoIP porting.

The Grandstream HT812 is a powerful 2-port analog telephony adapter featuring dual FXS ports supporting 2 SIP profiles, integrated dual Gigabit NAT router with speeds up to 100Mbps, and advanced TLS/SRTP encryption for secure VoIP calls. Ideal for professionals wanting to retain legacy landline numbers while upgrading to cost-effective, high-quality VoIP service.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 139.51

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Best Sellers Rank	#216,696 in Office Products ( See Top 100 in Office Products ) #7 in VoIP Telephone Routers
Customer Reviews	4.3 out of 5 stars 477 Reviews

Grandstream Powerful 2-Port ATA with Gigabit NAT Router

Details

Details

Description

Specifications

Common Questions