Grandstream UCM6204 IP PBX

Analog Telephone FXS Ports
2 ports (both with lifeline capability in case of power outage)
PSTN Line FXO Ports
4 ports (UCM6204)

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 30 (UCM6202), 45 (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)