Máy điện thoại IP cầm tay không dây dectphone Grandstream DP720 được trang bị màn hình màu 1.8inch, hỗ trợ đến 10 tài khoản SIP trên mỗi thiết bị cầm tay. Hỗ trợ Jack cắm tai nghe 3.5 mm, hội nghị đàm thoại 3 chiều, có thể tùy chọn được cung cấp tự động như TR-069 và các tệp cấu hình XML. Bên cạnh đó, điện thoại có thể ghép nối với một trạm gốc DP750 DECT và mỗi thiết bị có hỗ trợ tối đa 10 tài khoản SIP, hỗ trợ đa ngôn ngữ, loa ngoài. Có hỗ trợ phạm vi 300 mét ngoài trời và 50 mét trong nhà.
Ngoài ra, DP720 chính là một trong những sản phẩm thuộc dòng thiết bị điện thoại Grandstream nổi tiếng được nhiều người tin tưởng sử dụng. Thương hiệu Grandstream cũng chính là nhà cung cấp các loại tổng đài điện thoại được công nhận về chất lượng cũng như là độ tin cậy cao với hầu hết các sản phẩm đều được dựa trên tiêu chuẩn SIP cung cấp những tính năng linh hoạt hỗ trợ dễ dàng sử dụng.
– Kết nối vào trạm thu phát DP750.
– Âm thanh chuẩn HD trong vắt với công nghệ âm thanh mới nhất Opus Codec.
– Loa ngoài đàm thoại 2 chiều,
– Jack nối tai nghe 3.5mm cho phép kết nối tai nghe,
– Màn hình mầu
– Các phím chức năng: Giữ cuộc gọi, chuyển máy, hội nghị 3 bên,
Điện thoại ip không dây
Mô hình kết hợp tổng đài ip + Máy ip không dây tạo thành hệ thống tổng đài IP không dâyTổng đài không dây
Model | DP720 |
Air Interface | Telephony standards: DECT |
Frequency bands: | |
1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US), | |
1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea), | |
1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan) | |
Number of Channels: 10 (Europe), 5 (US, Brazil or Japan), 3 (Korea), 8 (Taiwan) | |
Range: up to 300 meters outdoors and 50 meters indoors | |
Peripherals | 1.8 inch (128x160) color TFT LCD |
23 keys including 2 soft keys, 5 navigation/ menu keys, 4 dedicated function keys for SEND, POWER/END, SPEAKERPHONE, MUTE | |
3-color MWI LED | |
3.5mm headset jack | |
Removable belt clip | |
Micro-USB port for alternative charging and non-battery operation | |
Protocol/Standards | Hearing Aid Compatibility (HAC) compliant |
Voice Codecs | G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base station DP750), AEC, AGC, Ambient noise reduction |
Telephony Features | Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable phonebook, call waiting, call log, auto answer, click-to-dial, flexible dial plan, music on hold |
Sample Applications | Weather, Currency (Pending) |
HD Audio | Yes, both on Handset and Speakerphone |
Security | DECT authentication & encryption |
Multi-line Access | Each handset may access up to ten (10) lines |
Power & Green Energy Efficiency | Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB connection; Rechargeable 800mAh Ni-MH Low Self-Discharge (LSD) AAA batteries (250 hours of standby time and 20 hours of talk time) |
Dimensions (H x W x D) | Handset: 155 x 50 x 26 mm, charger cradle: 35 x 63.5 x 54 mm |
Electronic Shutter Speed | 1sec ~ 1/12,000sec |
Digital Zoom | Off / On (1x ~ 16x) |
Alarm | 1 out |
Communication | Coaxial control (SPC-300 compatible), RS-485 |
Protocol | Coax : Pelco-C (Coaxitron) |
RS-485 : Samsung-T/E, Pelco-D/P, Panasonic, Bosch, Honeywell, Vicon, AD, GE | |
Input Voltage / Current | 24V AC & 12V DC ±10% |
Power Consumption | 6W |
Color / Material | Black, Ivory / Aluminum, Plastic |
Dimensions | 73.1 x 67.2 x 123.9mm |
Weight | 300g |
Model | DP720 |
Air Interface | Telephony standards: DECT |
Frequency bands: | |
1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US), | |
1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea), | |
1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan) | |
Number of Channels: 10 (Europe), 5 (US, Brazil or Japan), 3 (Korea), 8 (Taiwan) | |
Range: up to 300 meters outdoors and 50 meters indoors | |
Peripherals | 1.8 inch (128x160) color TFT LCD |
23 keys including 2 soft keys, 5 navigation/ menu keys, 4 dedicated function keys for SEND, POWER/END, SPEAKERPHONE, MUTE | |
3-color MWI LED | |
3.5mm headset jack | |
Removable belt clip | |
Micro-USB port for alternative charging and non-battery operation | |
Protocol/Standards | Hearing Aid Compatibility (HAC) compliant |
Voice Codecs | G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base station DP750), AEC, AGC, Ambient noise reduction |
Telephony Features | Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable phonebook, call waiting, call log, auto answer, click-to-dial, flexible dial plan, music on hold |
Sample Applications | Weather, Currency (Pending) |
HD Audio | Yes, both on Handset and Speakerphone |
Security | DECT authentication & encryption |
Multi-line Access | Each handset may access up to ten (10) lines |
Power & Green Energy Efficiency | Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB connection; Rechargeable 800mAh Ni-MH Low Self-Discharge (LSD) AAA batteries (250 hours of standby time and 20 hours of talk time) |
Dimensions (H x W x D) | Handset: 155 x 50 x 26 mm, charger cradle: 35 x 63.5 x 54 mm |
Electronic Shutter Speed | 1sec ~ 1/12,000sec |
Digital Zoom | Off / On (1x ~ 16x) |
Alarm | 1 out |
Communication | Coaxial control (SPC-300 compatible), RS-485 |
Protocol | Coax : Pelco-C (Coaxitron) |
RS-485 : Samsung-T/E, Pelco-D/P, Panasonic, Bosch, Honeywell, Vicon, AD, GE | |
Input Voltage / Current | 24V AC & 12V DC ±10% |
Power Consumption | 6W |
Color / Material | Black, Ivory / Aluminum, Plastic |
Dimensions | 73.1 x 67.2 x 123.9mm |
Weight | 300g |
Model | DP720 |
Air Interface | Telephony standards: DECT |
Frequency bands: | |
1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US), | |
1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea), | |
1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan) | |
Number of Channels: 10 (Europe), 5 (US, Brazil or Japan), 3 (Korea), 8 (Taiwan) | |
Range: up to 300 meters outdoors and 50 meters indoors | |
Peripherals | 1.8 inch (128x160) color TFT LCD |
23 keys including 2 soft keys, 5 navigation/ menu keys, 4 dedicated function keys for SEND, POWER/END, SPEAKERPHONE, MUTE | |
3-color MWI LED | |
3.5mm headset jack | |
Removable belt clip | |
Micro-USB port for alternative charging and non-battery operation | |
Protocol/Standards | Hearing Aid Compatibility (HAC) compliant |
Voice Codecs | G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base station DP750), AEC, AGC, Ambient noise reduction |
Telephony Features | Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable phonebook, call waiting, call log, auto answer, click-to-dial, flexible dial plan, music on hold |
Sample Applications | Weather, Currency (Pending) |
HD Audio | Yes, both on Handset and Speakerphone |
Security | DECT authentication & encryption |
Multi-line Access | Each handset may access up to ten (10) lines |
Power & Green Energy Efficiency | Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB connection; Rechargeable 800mAh Ni-MH Low Self-Discharge (LSD) AAA batteries (250 hours of standby time and 20 hours of talk time) |
Dimensions (H x W x D) | Handset: 155 x 50 x 26 mm, charger cradle: 35 x 63.5 x 54 mm |
Electronic Shutter Speed | 1sec ~ 1/12,000sec |
Digital Zoom | Off / On (1x ~ 16x) |
Alarm | 1 out |
Communication | Coaxial control (SPC-300 compatible), RS-485 |
Protocol | Coax : Pelco-C (Coaxitron) |
RS-485 : Samsung-T/E, Pelco-D/P, Panasonic, Bosch, Honeywell, Vicon, AD, GE | |
Input Voltage / Current | 24V AC & 12V DC ±10% |
Power Consumption | 6W |
Color / Material | Black, Ivory / Aluminum, Plastic |
Dimensions | 73.1 x 67.2 x 123.9mm |
Weight | 300g |
Model | DP720 |
Air Interface | Telephony standards: DECT |
Frequency bands: | |
1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US), | |
1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea), | |
1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan) | |
Number of Channels: 10 (Europe), 5 (US, Brazil or Japan), 3 (Korea), 8 (Taiwan) | |
Range: up to 300 meters outdoors and 50 meters indoors | |
Peripherals | 1.8 inch (128x160) color TFT LCD |
23 keys including 2 soft keys, 5 navigation/ menu keys, 4 dedicated function keys for SEND, POWER/END, SPEAKERPHONE, MUTE | |
3-color MWI LED | |
3.5mm headset jack | |
Removable belt clip | |
Micro-USB port for alternative charging and non-battery operation | |
Protocol/Standards | Hearing Aid Compatibility (HAC) compliant |
Voice Codecs | G.722 codec for HD audio and G.726 codec for narrow band audio (G.711μ/a-law, G.723.1, G.729A/B, iLBC and OPUS are supported via companion DECT base station DP750), AEC, AGC, Ambient noise reduction |
Telephony Features | Hold, transfer, forward, 3-way conference, call park, call pickup, downloadable phonebook, call waiting, call log, auto answer, click-to-dial, flexible dial plan, music on hold |
Sample Applications | Weather, Currency (Pending) |
HD Audio | Yes, both on Handset and Speakerphone |
Security | DECT authentication & encryption |
Multi-line Access | Each handset may access up to ten (10) lines |
Power & Green Energy Efficiency | Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB connection; Rechargeable 800mAh Ni-MH Low Self-Discharge (LSD) AAA batteries (250 hours of standby time and 20 hours of talk time) |
Dimensions (H x W x D) | Handset: 155 x 50 x 26 mm, charger cradle: 35 x 63.5 x 54 mm |
Electronic Shutter Speed | 1sec ~ 1/12,000sec |
Digital Zoom | Off / On (1x ~ 16x) |
Alarm | 1 out |
Communication | Coaxial control (SPC-300 compatible), RS-485 |
Protocol | Coax : Pelco-C (Coaxitron) |
RS-485 : Samsung-T/E, Pelco-D/P, Panasonic, Bosch, Honeywell, Vicon, AD, GE | |
Input Voltage / Current | 24V AC & 12V DC ±10% |
Power Consumption | 6W |
Color / Material | Black, Ivory / Aluminum, Plastic |
Dimensions | 73.1 x 67.2 x 123.9mm |
Weight | 300g |
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