| Call management | |
| Call waiting | Yes |
| Caller ID | Yes |
| Conference call | Yes |
| Features | |
| Certification | FCC/CE/RCM, K.21 |
| Fax compatibility | T.38 |
| LED indicators | Yes |
| Power LED | Yes |
| Product colour | Black |
| Reset button | Yes |
| Voice codecs | G.722 |
| Voice codecs | VAD |
| Voice codecs | OPUS |
| Voice codecs | G.723.1 |
| Voice codecs | G.711 |
| Voice codecs | G.726-32 |
| Voice codecs | CNG |
| Voice codecs | G.729ab |
| Operational conditions | |
| Operating relative humidity (H-H) | 10 - 90% |
| Operating temperature (T-T) | 0 - 50 °C |
| Storage temperature (T-T) | -10 - 60 °C |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports | 2 |
| Modem (RJ-11) ports | 4 |
| Power | |
| AC input frequency | 50/60 Hz |
| AC input voltage | 100-240 V |
| Output current | 1 A |
| Output voltage | 12 V |
| Power source type | AC |
| Protocols | |
| Supported protocols | TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE |
| Security | |
| Security algorithms | SRTP |
| Security algorithms | TLS |
| Security algorithms | SIPS |
| Weight & dimensions | |
| Depth | 90 mm |
| Height | 28.5 mm |
| Weight | 290 g |
| Width | 130 mm |
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