| Model |
UCM6308A |
| Analog Telephone FXS Ports |
8 RJ11 ports
All ports have lifeline capability in case of power outage |
| PSTN Line FXO Ports |
8 RJ11 ports
All ports have lifeline capability in case of power outage |
| Network Interfaces |
Three self-adaptive Gigabit ports (switched, routed or dual mode) with PoE+ |
| NAT Router |
Yes (supports router mode and switch mode) |
| Peripheral Ports |
2*USB 3.0, 1*SD card interface |
| LED Indicators |
Power 1/2, FXS, FXO, LAN, WAN, Heartbeat |
| LCD Display |
128x32 dot matrix graphic LCD with DOWN and OK buttons |
| Reset Switch |
Yes, long press for factory reset and short press for reboot |
| 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, NetEQ, FEC 2.0, jitter resilience up to 50% audio packet loss |
| Voice and Fax Codecs |
Opus, G.711 A-law/U-law, G.722, G722.1 G722.1C, G.723.1 5.3K/6.3K, G.726-32, G.729A/B, iLBC, GSM; T.38 |
| QoS |
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS |
| API |
Full API available for third-party platform and application integration |
| Telephony Operating System |
Based on Asterisk version 16 |
| DTMF Methods |
In-band audio, RFC4733, and SIP INFO |
| Provisioning Protocol & |
Mass provisioning using AES encrypted XML configuration file, auto-discovery & auto-provisioning of Grandstream IP endpoints via |
| Plug-and-Play |
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, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay (pending), IPv6, OpenVPN® |
| Disconnect Methods |
Busy/Congestion/Howl Tone, Polarity Reversal, Hook Flash Timing, Loop Current Disconnect |
| Media Encryption |
SRTP, TLS, HTTPS, SSH, 802.1X |
| Universal Power Supply |
2x DC 12V Power Jack
Input: 100~240VAC,
50/60Hz; Output: DC 12V, 2A |
| Dimensions |
485(L) x 187.2(W) x 46.2(H) mm |
| Weight |
Unit Weight: 2538g |
| Temperature & Humidity |
Operating: 32 - 113ºF / 0 ~ 45ºC, Humidity 10 - 90% (non-condensing)
Storage: 14 - 140ºF / -10 ~ 60ºC, Humidity 10 - 90% (non-condensing) |
| Mounting |
Rack mount & Desktop |
| Caller ID |
Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 – BT, NTT |
| 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/ workload, in-queue announcement |
| Customizable Auto Attendant |
Up to 5 layers of IVR (Interactive Voice Response) in multiple languages |
| Maximum Call Capacity |
Users: 1500
Concurrent calls (G.711): 200
Max concurrent SRTP calls
(G.711): 150 |
| Maximum Attendees of Conference Bridges |
9 meeting rooms and up to 150 parties |
| Call Features |
Call park, call forward, call transfer, call waiting, caller ID, call record, call history, ringtone, IVR, music on hold, call routes, DID, DOD, DND, DISA, ring group, ring simultaneously, time schedule, PIN groups, call queue, pickup group, paging/intercom, voicemail, call wakeup, SCA, BLF, voicemail to email, fax to email, speed dial, call back, dial by name, emergency call, call follow me, blacklist/whitelist, voice meeting, eventlist, feature codes, busy camp-on/ call completion, voice control |
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