Grandstream UCM6204 Innovative IP PBX with 4 FXO and 2 FXS Ports

• Analog Telephone FXS Ports: 2 ports (both with lifeline capability in case of a power outage)
• PSTN Line FXO Ports: 4 ports
• Network Interfaces: Dual Gigabit RJ45 ports with integrated PoE Plus (IEEE 802.3at-2009)
• NAT Router: Yes (supports router mode and switch mode)
• Peripheral Ports: USB, SD
• LED Indicators: Power/Ready, Network, PSTN Line, USB, SD
• LCD Display: 128x32 graphic LCD with DOWN & OK button
• Reset Switch: Yes
• Voice-over-Packet Capabilities: LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line Echo Cancellation, Dynamic Jitter Buffer, Modem detection & auto-switch to G.711
• Voice and Fax Codecs: G.711 A-law/U-law, G.722, G.723.1 5.3K/6.3K, G.726, G.729A/B, iLBC, GSM, AAL2-G.726-32, ADPCM; T.38
• Video Codecs: H.264, H.263, H263+
• DTMF Methods: In Audio, RFC2833, and SIP INFO
• Provisioning Protocol & Plug-and-Play: TFTP/HTTP/HTTPS, auto-discovery & auto-provisioning of Grandstream IP endpoints via ZeroConfig (DHCP Option 66 multicast SIP SUBSCRIBE mDNS), eventlist between local and remote trunk
• Network Protocols: TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, SIP (RFC3261), STUN, SRTP, TLS, LDAP
• Universal Power Supply: Output: 12VDC, 1.5A; Input: 100 ~ 240VAC, 50 ~ 60Hz
• Dimensions: 226mm L x 155mm W x 34.5mm H
• Weight: Unit weight 0.51kg, Package weight 0.94kg
• Environmental Operating: 32 ~ 104ºF / 0 ~ 40ºC, 10 ~ 90% (non-condensing); Storage: 14 ~ 140ºF / -10 ~ 60ºC
• Mounting: Wall mount & Desktop
• Multi-Language Support: English/Simplified Chinese/Traditional Chinese/Spanish/French/Portuguese/German/Russian/
• Italian/Polish/Czech for Web UI; Customizable IVR/voice prompts for English, Chinese, British English, German, Spanish, Greek, French, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic; Customizable language pack to support any other languages
• Caller ID: Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 – BT
• Customizable Auto Attendant: Up to 5 layers of IVR (Interactive Voice Response)
• Maximum Call Capacity: 500 registered SIP devices/users
• Concurrent SIP calls: Up to 75, or 66% performance if calls are SRTP encrypted
• Call Features: Call park, call forward, call transfer, DND, ring/hunt group, paging/intercom, etc.
• Compliance:  FCC: Part 15 (CFR 47) Class B, Part 68;  CE: EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1, TBR21, RoHS;  A-TICK: AS/NZS CISPR 22 Class B, AS/NZS CISPR 24, AS/NZS 60950, AS/ACIF S002 ITU-T K.21 (Basic Level); UL 60950 (power adapter)