• Analog Telephone FXS Ports 2 ports (both with lifeline capability in case of power outage)
• PSTN Line FXO Ports 2 ports (UCM6202); 4 ports (UCM6204); 8 ports (UCM6208)
• 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 128×32 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+
• QoS Layer 3 QoS, Layer 2 QoS
• 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
• Disconnect Methods Call Progress Tone, Polarity Reversal, Hook Flash Timing, Loop Current Disconnect, Busy Tone
• Media Encryption SRTP, TLS, HTTPS, SSH
• Universal Power Supply Output: 12VDC, 1.5A; Input: 100 ~ 240VAC, 50 ~ 60Hz
• Dimensions UCM6202/6204: 226mm L x 155mm W x 34.5mm H
  UCM6208: 440mm L x 185mm W x 44mm H
• Weight UCM6202/6204: Unit weight 0.51kg, Package weight 0.94kg
  UCM6208: Unit weight 2.23kg, Package weight 3.09kg
• Environmental Operating: 32 ~ 104ºF / 0 ~ 40ºC, 10 ~ 90% (non-condensing); Storage: 14 ~ 140ºF / -10 ~ 60ºC
• Mounting Wall mount & Desktop (UCM6202/6204); Rack mount & Desktop (UCM6208)
• 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
  Polarity Reversal/Wink Yes, with enable/disable option upon call establishment and termination
  Call Center Multiple configurable call queues, automatic call distribution (ACD) based on agent skills/availability/busy
  level, in-queue announcement
  Customizable Auto Attendant Up to 5 layers of IVR (Interactive Voice Response)
• Maximum Call Capacity
  -Registered SIP devices: supports up to 800 registered SIP devices/users (for UCM6208) and
  500 registered SIP devices/users (for UCM6202/6204)
  -Concurrent SIP calls: Up to 50 (UCM6202), 75 (UCM6204), or 100 (UCM6208), or 66% performance if calls are SRTP encrypted
• Conference Bridges Up to 3 (UCM6202/6204) or 6 (UCM6208) password-protected conference bridges allowing up to 25 (UCM6202/6204) or 32 (UCM6208) simultaneous PSTN or IP participants
• 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)

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