UCM6200 Series User Manual 
PRODUCT OVERVIEW 
Technical Specifications 
Table 1: Technical Specifications 
Analog Telephone FXS Ports 
2 ports (both with lifeline capability in case of power outage) 
•  UCM6202: 2 ports 
•  UCM6204: 4 ports 
•  UCM6208: 8 ports 
•  UCM6202/6204/6208:  Dual  Gigabit  RJ45  ports  with  integrated  PoE  Plus 
(IEEE 802.3at-2009) 
Power/Ready, Network, PSTN Line, USB, SD 
128x32 graphic LCD with DOWN and OK button 
Voice-over-Packet 
Capabilities 
LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line 
Echo  Cancellation,  Dynamic  Jitter  Buffer,  Modem  detection  and  auto-switch  to 
G.711 
G.711 A-law/U-law,  G.722,  G.723.1  5.3K/6.3K,  G.726,  G.729A/B,  iLBC  (30ms 
only), GSM, AAL2-G.726-32, ADPCM; T.38 
H.264, H.263, H.263+, VP8 
In Audio, RFC2833, and SIP INFO 
Provisioning Protocol and   
Plug-and-Play 
TFTP/HTTP/HTTPS,  auto-discovery  and  auto-provisioning  of    Grandstream  IP 
endpoints via ZeroConfig (DHCP Option 66/multicast SIP SUBSCRIBE/mDNS), 
eventlist between local and remote trunk 
TCP/UDP/IP,  RTP/RTCP,  ICMP,  ARP,  DNS,  DDNS,  DHCP,  NTP,  TFTP,  SSH, 
HTTP/HTTPS, PPPoE, SIP (RFC3261), STUN, SRTP, TLS, LADP 
Call  Progress  Tone,  Polarity  Reversal,  Hook  Flash  Timing,  Loop  Current 
Disconnect, Busy Tone