Grandstream UCM6308, IP PBX appliance, 8 FXO ports, 8 FXS ports, Dual GigE RJ45 Ethernet ports with PoE Plus

Telephony interfaces
One (1) FXS port

Network interfaces
One (1) 10/100 Mbps Ethernet port with auto-detection (RJ45)

LED indicators
POWER (power supply), INTERNET (Internet connection), PHONE (phone)

Factory Reset button
Yes

Telephony functions
Number detection and blocking number detection, waiting
for a call, transferring a call using the Flash button, blind call transfer,
accompanied call transfer, forwarding, hold, blocking
incoming calls, 3-way conferencing


G.711 voice codecs with Supplement I (PLC) and Supplement II (VAD/CNG), G.722, G.723.1,
G.729A/B, G.726, iLBC, OPUS, dynamic delay oscillation buffer,
advanced line echo cancellation

Fax by IP
Fax relay of the third group of the standard T.38 with support
for data transfer rates up to 14.4 kbit/s and auto-switching in G 711 for fax transmission

Short-range/
long-range call range 5 REN: up to 1 km at 24 AWG


Caller ID (Caller ID) Bellcore type 1 and 2, ETSI, BT, NTT and CID based on DTMF

Ways to disconnect
Busy signal, Reverse polarity/control pulse, Current in the circuit

Network protocols
TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH,
STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP*, TR-069

QoS
Layer 2 (802.1Q VLAN, SIP/RTP 802.1p), Layer 3 (ToS, DiffServ, MPLS)

Method
DTMF In-audio, RFC2833 and/or SIP INFO

Setup and management
HTTP, HTTPS, SSH, TFTP, TR-069, secure and automated configuration
using AES encryption, system log

Wednesday
SRTP*

Control
TLS/SIPS/HTTPS

Management
System log support, SSH, remote management via browser

Universal power
supply
Input: 100-240 VAC, 50-60Hz
Output: 5.0 V post. current/1.0A

Environment
Working: 32º – 104ºF or 0º – 40ºC
Keeping: 14º – 140ºF or -10º – 60ºC
Humidity: 10 – 90% non-condensing

Dimensions and weight
Dimensions: 100 mm x 100 mm x 29.5mm
Weight: 102 g

Compliance with standards
FCC: Part 15B
CE: EN55032, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1
RCM: AS/NZS CISPR22, AS/NZS60950.1, S003