The HWD-7920G is a high-performance entry-level business IP phone with an exquisite appearance. It is equipped with a 2.4-inch high-definition color LCD screen with a resolution of 320x240. It supports 4 SIP lines and 6-party voice conferences, and features Gigabit dual network ports and Power over Ethernet (PoE) power supply. Additionally, it supports high-definition voice. This phone can meet the application scenarios of different enterprises, providing users with an excellent interactive experience and a comfortable and instant interconnected communication experience.

Functional Highlights
- A 2.4-inch high-definition color screen with a resolution of 320x240 brings a comfortable visual and operating experience.
- With high-definition voice support, it can decode G.722 and Opus voice codes,enabling it to handle various audio applications.
- It supports the function of 6-party voice conferences, providing a more convenient and efficient way for conference organization.
- Gigabit Ethernet - It has self- adaptive 10/100/1000 Mbps network ports,ensuring high-speed network transmission; and it supports Power over Ethernet(PoE).
- The hardware configuration of the HAC high-definition voice handset and the full-duplex hands-free speaker offers users an excellent audio experience.
- There are two installation modes available: desktop installation and wall-mounted installation, which are suitable for diverse application scenarios.
- It is compatible with EHS wireless headsets, allowing users to handle other tasks while answering calls.
- It supports the custom configuration of up to 6 DSS keys at most. Each DSS key can be set as Line/BLF/speed-dial extension, etc.
Phone Functions
- Local phone book (1000 entries)
- Network phone book (supports XML/LDAP)
- Call records (missed allsincoming alls/outgoing calls, 1000 entries)
- Call blocking list/call allowing list
- Screen saver standby/Message Waiting Voice Indicator (MWVI)
- User-defined DSS keys
- Network time synchronization
- Supports Plantronics wireless headsets (via Plantronics APD-80 EHS cable)
- Supports Jabra wireless headsets (via EHS20 cable)
- Supports call recording (server-side recording)
- Action URL / Active URI
- XML Browser
- Customizable startup logo
- uaCSTA
- Customizable incoming call ringtone
- Time management (scheduled reboot/scheduled call forwarding/scheduled upgrade/sched-uled configuration modification)
- Customizable DSS icons, customizable DSS LED lights/customizable BLF
- Customizable UI display
Call Functions
- Dial out/answer/reject a call
- Mute/Unmute (microphone)
- Hold/resume a call
- Call waiting/intercom function/Caller ID/fast dial
- Anonymous call/reject anonymous call
- Call forwarding (unconditional/busy/no answer)
- Call transfer (attended/unattended)
- Call park/pick up (requires server support)
- Redial/Pre - dial/Callback
- Do Not Disturb (DND)/scheduled Do Not Disturb
- Automatic answering
- SIP short message
- Voice mailbox (requires cooperation with the server)
- Six- party voice conference/hotline/phone sharing/IP direct dial
- Fuzzy search
- Linkage plan
- Number collection rule
- Call completion/automatic redial
- Primary and backup servers
- Default call to outside line
- Multicast
Network Features
- 10/100/1000 Mbps Ethernet (bridge mode)
- IP mode: IPv4/IPv6/IPv4 & IPv6
- IP acquisition methods: Static IP settings/DHCP/PPPoE
- Supports 802.1x network access permission authentication
- Virtual Private Network (VPN):OpenVPN/L2TP
- Virtual Local Area Network (VLAN)
- Link Layer Discovery Protocol(LLDP)
- Quality of Service (QoS)
- RTCP- XR (RFC3611), VQ- RTCPXR(RFC6035)
- DNS - SRV (RFC 3263)
- Supports redundant servers
- Proxy
- HTTPS two-way authentication
Audio Features
- High-fidelity sound quality: HD hand-set, HD hands-free
- Wideband ADC/DAC with a sampling rate of 16KHz
- Narrowband coding: G.711a/u,
G.723.1, G.726, G.729, G.729A, G.729B,G.729AB, iLBC
- Wideband coding: G.722, Opus
- Full-duplex hands-free cailing, sup-porting Acoustic Echo Cancellation(AEC)
- Voice Activity Detection (VAD)/Com-fort Noise Generation (CNG)/Back-ground Noise Estimation (BNE)/Noise
Reduction (NR)/Automatic Gain Control(AGC)
- Packet Loss Concealment
- Dynamic adaptive jiter buffer
- DTMF: In-band, Out-of-band(RFC2833/SIP INFO)
- Voice Quality Monitoring (VQM)
Configuration and Management
- Automatic deployment and configu-ration (Auto - Provisioning) via FTP/TFT-P/HTTP/HTTPS/DHCP 0PT66/SIP PnP/TR- 069
- Webpage screenshot
- Web - based management interface
- Web - based packet - dump
- Configuration export/import
- Phone book import/export
- Software upgrade
- System work log (Syslog)
- Network firewall
- Online upgrade
Related Protocols
- SIP v1 (RFC2543) v2(RFC3261)
- UDP/TCP/TLS
- RTP/RTCP/SRTP (Optional/Mandatory)
- STUN/DHCP
- IPv6/PPPoE
- LLDP/L2TP
- 802.1x/802.1p/Q
- OpenVPN
- SNTP/TR-069
- FTP/TFTP
- HTTP/HTTPS
- AES128 & AES256
Physical Specifications
- Screen: 2.4-inch(320x240)) color screen
- Keyboard: 35 keys, including
- 8 function key's (Hold/Transfer/Voice Message/Phone Book/Conference/Headset/Redial/Hands-free)
- 4 dynamic software-defined keys (Soft-Key)
- 3 line keys (with LED indicators)
- 4 directional keys/1 OK key/1 hands-free key
- 12 standard telephone numeric keys
- 3 sound control keys, Volume Up/Volume Down/Mute (microphone)
- High-definition handset (RJ9) x1
- Standard RJ9 handset curly cord x1
- 1.5-meter CAT5.E Ethernet cable x1
- Phone stand x1/Security lock hole x1
- Status indicator light x1 (red)
- RJ9 interfaces x2: Handset x1, Headset x1
- RJ45 interfaces x2: Network x1, PC x1 (network bridging mode)
- Power supply: DC 5V/ 1A or PoE
- POE complies with IEEE 802.3af standard
- Power adapter (optional):
Input: 100-240VAC~50/60Hz
Output: 5V/1A
- Operating temperature: 0~45°C
- Relative humidity: 10~95%
- Installation methods:
- Color: Dark blue
- Quantity per carton: 10pcs
- Product dimensions:
Desktop (40°):178x 190.98 x 170.89 mm
Desktop ( 45°):178 x 179.7 x 178.74 mm
Wall-mounted: 178 x 101 .89 x 215.94 mm
- Packaging dimensions: 250x220x55mm
- Outer carton dimensions: 460x300x270mm(10 PCS)