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VoIP Adapters
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| Management features |
|---|
| Quality of Service (QoS) support | Yes |
| DSL features |
|---|
| xDSL connection type | ADSL |
| Technical details |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC |
| Reset button | Yes |
| Fax compatibility | T.38 |
| Harmonized System (HS) code | 85177900 |
| Features |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC |
| Reset button | Yes |
| LED indicators | LAN, Power, WAN |
| Fax compatibility | T.38 |
| Certification | FCC/CE/RCM |
| Network |
|---|
| Quality of Service (QoS) support | Yes |
| xDSL connection type | ADSL |
| Call management |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Protocols |
|---|
| Supported network protocols | TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP TCP/TLS, SRTP, TR-069 |
| Security |
|---|
| Security algorithms | AES, HTTPS, SIPS, SSL/TLS |
| Ports & interfaces |
|---|
| Modem (RJ-11) ports | 8 |
| Ethernet LAN (RJ-45) ports | 2 |
| Certificates |
|---|
| Certification | FCC/CE/RCM |
| Indication |
|---|
| LED indicators | LAN, Power, WAN |
| Logistics data |
|---|
| Harmonized System (HS) code | 85177900 |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Weight & dimensions |
|---|
| Weight | 356 g |
| Dimensions (WxDxH) | 120 x 180 x 36 mm |
Grandstream Networks HT818 VoIP telephone adapter | Management features |
|---|
| Quality of Service (QoS) support | Yes |
| DSL features |
|---|
| xDSL connection type | ADSL |
| Technical details |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC |
| Reset button | Yes |
| Fax compatibility | T.38 |
| Harmonized System (HS) code | 85177900 |
| Features |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B, OPUS, iLBC |
| Reset button | Yes |
| LED indicators | LAN, Power, WAN |
| Fax compatibility | T.38 |
| Certification | FCC/CE/RCM |
| Network |
|---|
| Quality of Service (QoS) support | Yes |
| xDSL connection type | ADSL |
| Call management |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Protocols |
|---|
| Supported network protocols | TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP TCP/TLS, SRTP, TR-069 |
| Security |
|---|
| Security algorithms | AES, HTTPS, SIPS, SSL/TLS |
| Ports & interfaces |
|---|
| Modem (RJ-11) ports | 8 |
| Ethernet LAN (RJ-45) ports | 2 |
| Certificates |
|---|
| Certification | FCC/CE/RCM |
| Indication |
|---|
| LED indicators | LAN, Power, WAN |
| Logistics data |
|---|
| Harmonized System (HS) code | 85177900 |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Weight & dimensions |
|---|
| Weight | 356 g |
| Dimensions (WxDxH) | 120 x 180 x 36 mm |
In stock
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| Technical details |
|---|
| Voice codecs | G.729A, G.729B, G.723.1, G.168, G.726, G.711 |
| Fax compatibility | ITU-T G3 |
| Harmonized System (HS) code | 85177900 |
| Features |
|---|
| Voice codecs | G.729A, G.729B, G.723.1, G.168, G.726, G.711 |
| Fax compatibility | ITU-T G3 |
| Network |
|---|
| DHCP server | Yes |
| DHCP client | Yes |
| Call management |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Protocols |
|---|
| VoIP protocols | SIP – RFC3261, MGCP/NCSSIP over TLS, TCP, UDP, OCSP, ANAT, SDP |
| Management protocols | GUI, FTP, TFTP, HTTP/HTTPS, SNMPv1, v2, v3, TR-069, TELNET, SSH, TR-104 |
| Security |
|---|
| Security algorithms | 128-bit AES, 256-bit AES, HTTPS, 3DES, MD5, SHA-1, SIPS, SNMP, DES |
| Ports & interfaces |
|---|
| Modem (RJ-11) ports | 2 |
| Ethernet LAN (RJ-45) ports | 2 |
| Power |
|---|
| Output voltage | 12 V |
| Operational conditions |
|---|
| Storage temperature (T-T) | -20 - 70 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 85% |
| Weight & dimensions |
|---|
| Weight | 170 g |
| Dimensions (WxDxH) | 127 x 99 x 31 mm |
Unify Mediatrix 4102 | Technical details |
|---|
| Voice codecs | G.729A, G.729B, G.723.1, G.168, G.726, G.711 |
| Fax compatibility | ITU-T G3 |
| Harmonized System (HS) code | 85177900 |
| Features |
|---|
| Voice codecs | G.729A, G.729B, G.723.1, G.168, G.726, G.711 |
| Fax compatibility | ITU-T G3 |
| Network |
|---|
| DHCP server | Yes |
| DHCP client | Yes |
| Call management |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Protocols |
|---|
| VoIP protocols | SIP – RFC3261, MGCP/NCSSIP over TLS, TCP, UDP, OCSP, ANAT, SDP |
| Management protocols | GUI, FTP, TFTP, HTTP/HTTPS, SNMPv1, v2, v3, TR-069, TELNET, SSH, TR-104 |
| Security |
|---|
| Security algorithms | 128-bit AES, 256-bit AES, HTTPS, 3DES, MD5, SHA-1, SIPS, SNMP, DES |
| Ports & interfaces |
|---|
| Modem (RJ-11) ports | 2 |
| Ethernet LAN (RJ-45) ports | 2 |
| Power |
|---|
| Output voltage | 12 V |
| Operational conditions |
|---|
| Storage temperature (T-T) | -20 - 70 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 85% |
| Weight & dimensions |
|---|
| Weight | 170 g |
| Dimensions (WxDxH) | 127 x 99 x 31 mm |
In stock
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![]()
| Management features |
|---|
| Quality of Service (QoS) support | Yes |
| Technical details |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B |
| Reset button | Yes |
| Fax compatibility | T.38 |
| Features |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B |
| Reset button | Yes |
| LED indicators | LAN, Power, WAN |
| Fax compatibility | T.38 |
| Network |
|---|
| Quality of Service (QoS) support | Yes |
| Call management |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Security |
|---|
| Security algorithms | AES, HTTPS, SIPS, SSL/TLS |
| Ports & interfaces |
|---|
| Modem (RJ-11) ports | 4 |
| Ethernet LAN (RJ-45) ports | 2 |
| Indication |
|---|
| LED indicators | LAN, Power, WAN |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Weight & dimensions |
|---|
| Weight | 460 g |
| Dimensions (WxDxH) | 120 x 180 x 36 mm |
| Width | 100 mm |
| Depth | 28 mm |
| Height | 190 mm |
Grandstream Networks HT841 VoIP telephone adapter | Management features |
|---|
| Quality of Service (QoS) support | Yes |
| Technical details |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B |
| Reset button | Yes |
| Fax compatibility | T.38 |
| Features |
|---|
| Voice codecs | G.711, G.723.1, G.726, G.729A, G.729B |
| Reset button | Yes |
| LED indicators | LAN, Power, WAN |
| Fax compatibility | T.38 |
| Network |
|---|
| Quality of Service (QoS) support | Yes |
| Call management |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Security |
|---|
| Security algorithms | AES, HTTPS, SIPS, SSL/TLS |
| Ports & interfaces |
|---|
| Modem (RJ-11) ports | 4 |
| Ethernet LAN (RJ-45) ports | 2 |
| Indication |
|---|
| LED indicators | LAN, Power, WAN |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Weight & dimensions |
|---|
| Weight | 460 g |
| Dimensions (WxDxH) | 120 x 180 x 36 mm |
| Width | 100 mm |
| Depth | 28 mm |
| Height | 190 mm |
Out of stock
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