Grandstream Networks
Grandstream Networks HT841 VoIP telephone adapter
Grandstream Networks HT841 VoIP telephone adapter
SKU:HT841
Low stock: 1 left
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Delivery & lead times
Delivery & lead times
Some products ship directly from our suppliers and can have longer lead times than stock held in the UK. If you need a delivery date, please contact us before ordering. See our shipping policy.
Buying 5 or more? Volume pricing
Buying 5 or more? Volume pricing
We offer volume pricing, business accounts and quotations for organisations. Request a quote or call 01344 963637.
Returns & warranty
Returns & warranty
See our refund policy. Manufacturer warranty terms vary by product - contact us if you need warranty details before you buy.
- Supports 3 SIP profiles through 1 FXS port and 4/8 FXO ports
- High-performance NAT router
- Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
- 3-way voice conferencing per port
- Automated & secure provisioning options using TR069
- Supports T.38 Fax for reliable Fax-over-IP
- Failover SIP server automatically switches to secondary server if the main server loses connection
- Strong AES encryption with security certificate per unit
The HT841/881 FXO gateway series enables businesses of all sizes to create an easy-to-deploy VoIP solution. These FXO gateways offer the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on-premise IP PBX network to make deployments as easy as possible. The HT8x1 series includes FXO and FXS ports to support remote calling to and from the PSTN line. Advanced telephony features, easy automated provisioning, and superb voice quality allow the HT8x1 series to be the ideal VoIP gateway for businesses.
| Features | |
|---|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B |
| Fax compatibility | T.38 |
| Reset button | Yes |
| LED indicators | LAN, Power, WAN |
| Network | |
|---|---|
| Quality of Service (QoS) support | Yes |
| Call management | |
|---|---|
| Call waiting | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Security | |
|---|---|
| Security algorithms | AES, HTTPS, SIPS, SSL/TLS |
| Ports & interfaces | |
|---|---|
| Modem (RJ-11) ports | 4 |
| Ethernet LAN (RJ-45) ports | 2 |
| Operational conditions | |
|---|---|
| Operating relative humidity (H-H) | 10 - 90% |
| Storage temperature (T-T) | -10 - 60 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Weight & dimensions | |
|---|---|
| Width | 100 mm |
| Depth | 28 mm |
| Height | 190 mm |
| Weight | 460 g |
| Dimensions (WxDxH) | 120 x 180 x 36 mm |
