Analog Telephone FXS ports
1 RJ11 port
PSTN FXO ports
1 RJ11 port
All ports can communicate in case of power outages
Network interfaces
Three adaptive Gigabit ports (switched, routed or dual card modes) with PoE+
NAT Router
Yes (Router and switch mode support)
Ports for external devices
1*USB 3.0, 1* SD card port
SIDs
Power 1/2, FXS, FXO, LAN, WAN, Heartbeat
LCD screen
320x240 color LCD screen with touchscreen for keyboard shortcuts and scroll bars
Reset button
Yes, a long press to reset to factory settings and a short press to reboot
Packet voice transmission capabilities
LEC with NLP-packaged voice protocol, operator-class echo cancellation (128 ms suppression depth) Dynamic
jitter buffer, modem detection and auto-switching on G.711, NetEQ, FEC 2.0, jitter resistance up to 50% loss of audio packets
Voice and fax services. codecs
Opus, G.711 A-law/U-law, G.722, G722.1 G722.1C, G.723.1 5.3K/6.3K, G.726-32, G.729A/B, iLBC, GSM; T.38
Video codecs
H.264, H.263, H263+, VP8
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
API
Full API support for integrating third-party platforms and applications
The operating system
Based on Asterisk 16 version
DTMF method
In-band audio, RFC2833, and SIP INFO
Automatic configuration
Mass configuration using an XML configuration file with AES encryption, auto detection and auto configuration of Grandstream subscriber IP devices via ZeroConfig (DHCP Option 66 multicast SIP SUBSCRIBE mDNS), a list of events between
local and remote backbone
Network protocols
SIP, TCP/UDP/IP, RTP/RTCP, IAX, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP**, TLS, LDAP,
HDLC, HDLC-ETH, PPP, Frame Relay (expected), IPv6, OpenVPN®
Rebound methods
Busy tones/Overload/Warning, reverse polarity, short-term shutdown, circuit current shutdown
Data encryption
SRTP**, TLS, HTTPS, SSH, 802.1X
Universal power supply
2x post. Current 12V power connector
Input: 100~240V AC, 50/60Hz; Output: Post. Current 12V, 2A
Sizes
485mm(L) x 187.2mm(W) x 46.2mm(H)
Weight
Device weight: 715g;
Package weight: 1211g
Temperature and humidity
Operation: 32 - 113ºF / 0 ~45ºC, Humidity 10 - 90% (non-condensing)
Storage: 14 - 140ºF/ -10~60ºC, Humidity 10 - 90% (non-condensing)
Mounting
Wall and table mounting
Supported languages
-Web Interface: English, Simplified Chinese, Traditional Chinese, Spanish, French, Portuguese, German,
Russian, Italian, Polish, Czech, Turkish
-Customizable IVR/voice prompts: English, Chinese, British English, German, Spanish, Greek,
French, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic, Dutch -Customizable language pack to support any other languages
Caller ID
Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 – BT, NTT
Reverse the polarity/Wink signal
Yes, with the enable/disable option when establishing and terminating a call
Call handling
Multiple configurable call queues, automatic call allocation (ACD) by availability/agent skills/
occupancy level; queue announcements
Customizable auto Secretary
Up to 5 levels of IVR (voice menu) in multiple languages
Maximum call capacity
Users: 500
At the same time. Calls (G.711): 75
Max. at the same time. SRTP** calls (G.711): 500
Maximum number of conference bridge participants
Up to 4 simultaneous video conference rooms, up to 75 simultaneous participants in all rooms combined, up to 9 video meals in all conference rooms
Call functions
Call parking, Call forwarding, Call transfer, Call waiting, caller ID, Call recording, Call log, Ringtone,
IVR, Music on hold, Call routing, DID, DOD, Do Not disturb (DND), DISA, Call group, Simultaneous call,
Schedule, PIN groups, Call queue, call interception group, intercom, voicemail, wake-up call, SCA, BLF, voicemail to e-mail, fax to e-mail, speed dial, callback, dialing by name, emergency call, function
follow me, blacklist/whitelist, voice conferencing, video conferencing, event list, function codes,
busy line call delay/termination, voice control, meeting results reports, sending/receiving virtual faxes, e-mail to fax
Firmware update
It is supported by the Grandstream Device Management System (GDMS), an automatic configuration and management system, provides a centralized interface for configuring, managing, monitoring and correcting errors for the company's devices
Grandstream
Internet Protocol Standards
RFC 3261, RFC 3262, RFC 3263, RFC 3264, RFC 3515, RFC 3311, RFC 4028. RFC 2976, RFC 3842, RFC 3892, RFC 3428, RFC 4733, RFC 4566, RFC
2617, RFC 3856, RFC 3711, RFC 4582, RFC 4583, RFC 5245, RFC 5389, RFC 5766, RFC 6347, RFC 6455, RFC 8860, RFC 4734, RFC 3665, RFC 3323,
RFC 3550
Accordance
FCC: Part 15 (CFR 47) Class B, Part 68
CE: EN 55032, EN 55035, EN 61000-3-2, EN 61000-3-3, EN 62368-1, ETSI ES 203 021, ITU-T K.21
IC: ICES-003, CS-03 Part I Issue 9
RCM: AS/NZS CISPR 32, AS/NZS 62368.1, AS/CA S002, AS/CA S003.1/.2 Power adapter: UL 60950-1 or UL 62368-1
