User's Manual
Firmware Version 1.0.0.5 
UCM6510 IP PBX User Manual 
Page 15 of 192 
LED Indicators 
Power 1/Power 2, PoE, USB, SD, T1/E1/J1(J1 is TBD), FXS 1/FXS 2, 
FXO 1/FXO 2, LAN, WAN, Heartbeat 
LCD Display 
128x32 graphic LCD with DOWN and OK button 
Reset Switch 
Yes 
Voice/Video Capabilities 
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 
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, H.263+ 
QoS 
Layer 3 QoS, Layer 2 QoS 
Signaling and Control 
DTMF Methods 
In Audio, RFC2833, and SIP INFO 
Digital Signaling 
PRI, SS7, MFC/R2 
Provisioning Protocol and   
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 trunks 
Network Protocols 
TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, 
SSH, HTTP/HTTPS, PPPoE, SIP (RFC3261), STUN, SRTP, TLS, LAPD 
Disconnect Methods 
Call Progress Tone, Polarity Reversal, Hook Flash Timing, Loop Current 
Disconnect, Busy Tone 
Security 
Media 
SRTP, TLS, HTTPS, SSH 
Physical 
Universal Power Supply 
  Input: 100-240VAC, 50-60Hz 
  Output: DC+12VDC, 1.5A, 18W 
Physical 
  Unit Weight: 2.165 KG 
  Package weight: 3.012 KG 
Dimensions 
440mm (L) x 185mm (W) x 44mm (H) 
Environmental 
  Operating: Temperature 32 - 113
o
F / 0 - 45
o
C,   
                    Humidity 10-90% (non-condensing) 
  Storage: Temperature 14 - 140
o
F / -10 - 60
o
C 
                Humidity 10-90% (non-condensing) 










