Grandstream Networks HT881. Voice codecs: G.711, G.723.1, G.726, G.729A, G.729B, Fax compatibility: T.38, LED indicators: LAN, Power, WAN. Security algorithms: AES, HTTPS, SIPS, SSL/TLS. Width: 100 mm, Depth: 28 mm, Height: 190 mm
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
Feature: Reset button
LED indicators: LAN, Power, WAN
Network
Feature: Quality of Service (QoS) support
Call management
Feature: Caller ID
Feature: Conference call
Feature: Call waiting
Security
Security algorithms: AES, HTTPS, SIPS, SSL/TLS
Ports & interfaces
Ethernet LAN (RJ-45) ports: 2
Modem (RJ-11) ports: 8
Operational conditions
Operating temperature (T-T): 0 – 40 °C
Storage temperature (T-T): -10 – 60 °C
Operating relative humidity (H-H): 10 – 90%
Weight & dimensions
Width: 100 mm
Depth: 28 mm
Height: 190 mm
Dimensions (WxDxH): 120 x 180 x 36 mm
Weight: 460 g
Voice codecs: G.711, G.723.1, G.726, G.729A, G.729B
Fax compatibility: T.38
Feature: Reset button
LED indicators: LAN, Power, WAN
Network
Feature: Quality of Service (QoS) support
Call management
Feature: Caller ID
Feature: Conference call
Feature: Call waiting
Security
Security algorithms: AES, HTTPS, SIPS, SSL/TLS
Ports & interfaces
Ethernet LAN (RJ-45) ports: 2
Modem (RJ-11) ports: 8
Operational conditions
Operating temperature (T-T): 0 – 40 °C
Storage temperature (T-T): -10 – 60 °C
Operating relative humidity (H-H): 10 – 90%
Weight & dimensions
Width: 100 mm
Depth: 28 mm
Height: 190 mm
Dimensions (WxDxH): 120 x 180 x 36 mm
Weight: 460 g
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