| Analog Telephone (FXS Ports) | 2 × RJ11 Ports (Lifeline capability during power outage) | 
| PSTN Line (FXO Ports) | 2 × RJ11 Ports (Lifeline capability during power outage) | 
| Port Expandability | Expandable via external FXS/FXO Gateways | 
| Network Interfaces | 3 × Self-adaptive Gigabit Ports (Router/Switch/Dual Mode) with PoE+ | 
| NAT Router | Yes (Supports Router Mode & Switch Mode) | 
| Peripheral Ports | 1 × USB 2.0, 1 × USB 3.0, 1 × SD Card Interface | 
| LED Indicators | Power, FXS, FXO, LAN, WAN, Heartbeat | 
| LCD Display | 128×32 Dot Matrix Graphic LCD with Down & OK Buttons | 
| Reset Switch | Long Press = Factory Reset, Short Press = Reboot | 
| Voice-over-Packet | Line Echo Cancellation (128ms-tail), NLP, Dynamic Jitter Buffer, NetEQ, FEC 2.0, Jitter Resilience (50% packet loss) | 
| Voice & Fax Codecs | Opus, G.711 A-law/U-law, G.722, G722.1/1C, G.723.1 (5.3K/6.3K), G.726-32, G.729A/B, iLBC, GSM, T.38 | 
| Video Codecs | H.265, H.264, H.263/H.263+, VP8 | 
| QoS | Layer 2 QoS (802.1Q/802.1p), Layer 3 QoS (DiffServ, MPLS, ToS) | 
| Telephony OS | Based on Asterisk Version 16 | 
| DTMF Methods | In-band Audio, RFC2833, SIP INFO | 
| Provisioning & PnP | AES Encrypted XML Config, ZeroConfig, DHCP Option 66, SIP SUBSCRIBE, Multicast, mDNS | 
| Supported Protocols | SIP, TCP/UDP/IP, RTP/RTCP, IAX, DNS, DHCP, NTP, SSH, TLS, SRTP, IPv6, OpenVPN®, PPPoE, LDAP, etc. | 
| Security & Encryption | SRTP, TLS, HTTPS, SSH, 802.1X, ZRTP | 
| Power Supply | Input: 100–240VAC, 50/60Hz; Output: DC 12V, 2A; Dual DC Jacks | 
| Dimensions | 270mm × 175mm × 36mm | 
| Weight | Unit: 725g; Package: 1221g | 
| Mounting | Wall Mount & Desktop | 
| Operating Temperature | 0–45°C (32–113°F) | 
| Storage Temperature | -10–60°C (14–140°F) | 
| Humidity | 10–90% (Non-condensing) | 
| Multi-Language Support | Web UI: English, Chinese (Simplified & Traditional), Spanish, French, Portuguese, German, Russian, Italian, Polish, Czech, Turkish
IVR/Prompts: English, Chinese, German, Spanish, Greek, French, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic, Nederlands
Customizable language pack supported | 
| Caller ID | Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 (BT), NTT | 
| Polarity Reversal/Wink | Yes (Enable/Disable Option) | 
| Call Center Features | Configurable Call Queues, ACD based on skills/availability/workload, In-Queue Announcements | 
| Auto Attendant (IVR) | Up to 5 IVR Layers, Multi-Language | 
| Maximum Call Capacity | Up to 1000 Users
Concurrent Calls (G.711): 150
Max SRTP Calls: 100 | 
| Conference Capacity | Unlimited Rooms
Up to 8 Public Rooms
150 Participants (All Rooms Combined)
Up to 9 Video Feeds/Room | 
| Collaboration (Wave App) | Available on Windows/Mac, Web (Chrome/Firefox), Android & iOS for SIP Calls, Meetings, Messaging | 
| Call Features | Call Park, Forward, Transfer, Waiting, Caller ID, Recording, MoH, DID/DOD, DND, DISA, Ring Group, Paging, Voicemail, Fax-to-Email, Speed Dial, Virtual Fax (Send/Receive), BLF, Pickup, PIN Groups, Call Queue, Blacklist/Whitelist, Conferences (Voice & Video), Post-Meeting Reports | 
| Firmware & Management | Supported via GDMS (Cloud Provisioning, Monitoring & Troubleshooting) | 
| Compliance | FCC, CE, IC, RCM, UL | 
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