Grandstream - VoIP gateway - 32 ports - 1GbE - analogue ports: 32 - 1U - desktop / rack mountable More information: General | Width | 44 cm | ![](/p.gif) | Depth | 18.5 cm | ![](/p.gif) | Height | 4.4 cm | ![](/p.gif) | Weight | 2.76 kg | ![](/p.gif) | Device Type | VoIP gateway | ![](/p.gif) | Built-in Devices | LED display | ![](/p.gif) | Height (Rack Units) | 1U | Expansion / Connectivity | Interfaces | 32 x modem - RJ-11 ¦ 2 x management - Telco ¦ 1 x 1000Base-T - RJ-45 | Networking | Form Factor | Desktop / rack mountable | ![](/p.gif) | Features | DiffServ support, over-current protection, over-voltage protection, SecureBoot, STUN support, QoS, ToS, LLDP | ![](/p.gif) | Connectivity Technology | Wired | ![](/p.gif) | Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet | ![](/p.gif) | Network / Transport Protocol | TCP/IP, UDP/IP, PPPoE, ARP, SIPS, TFTP | ![](/p.gif) | Status Indicators | Power, phone, link, activity | ![](/p.gif) | Ports Qty | 32 | ![](/p.gif) | Remote Management Protocol | HTTP, HTTPS, TFTP, SSH, TR-069, NTP, ICMP, DHCP, DNS | ![](/p.gif) | Encryption Algorithm | TLS | Miscellaneous | Compliant Standards | C-Tick, ICES-003, RoHS, AES-128, ITU-T K.21, SRTP, IEC/EN 62368-1, AS/NZS 62368.1, 47 CFR Part 15 Class B, RFC2833, AS/NZS CISPR32 Class B, EN55032 Class B, EN61000-3-3, EN55035, EN IEC 61000-3-2, AS/CA S003.1 | Power | Power Device | Internal power supply | ![](/p.gif) | Voltage Required | AC 100-240 V (50 - 60 Hz) | ![](/p.gif) | Power Provided | 60 Watt | Environmental Parameters | Min Operating Temperature | 0 °C | ![](/p.gif) | Max Operating Temperature | 40 °C | ![](/p.gif) | Humidity Range Operating | 10 - 90% (non-condensing) | Communications | Protocols & Specifications | ITU V.21, ITU V.29, ITU V.17, ITU V.27ter, ITU T.38 | ![](/p.gif) | Analogue Ports Qty | 32 | Dimensions & Weight (Shipping) | Shipping Weight | 3.78 kg | IP Telephony | Voice Codecs | G.722, G.723, G.729, iLBC, T.38, Opus, G.726-32 | ![](/p.gif) | VoIP Protocols | SIP, RTCP, RTP | ![](/p.gif) | Telephony Interfaces | 32 phone (FXS) | ![](/p.gif) | IP Telephony Features | Echo cancellation, call forwarding, Caller ID, call waiting, dynamic jitter buffer, Do-not-disturb (DND) support, RFC 3261 support, call conference, DTMF detection, call blocking, paging, message waiting indicator LED, auto dial, stutter tone |
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