-Trạm thu phát không dây Grandstream DP752 VoIP là bộ phát chính có thể ghép nối lên đến 5 điện thoại Grandstream DP720/ DP722/ DP730, có thể sử dụng trong cả hai môi trường kinh doanh và dân cư. Bộ phát này hỗ trợ khoảng cách phát tín hiệu lên đến 350 mét ngoài trời và 50 mét trong nhà khi sử dụng với DP722/DP720 (400 mét ngoài trời khi sử dụng DP730).

-Hỗ trợ quản lý và cài đặt thông minh qua Cloud Grandstream.

-Sử dụng 10 tài khoản SIP, 10 line cho mỗi thiết bị cầm tay.

-Hỗ trợ kết nối 5 điện thoại không dây DP720/ DP722/ DP730 cho phép 5 cuộc gọi đồng thời.

-Âm thanh HD Audio.

-Hỗ trợ âm thanh HD công nghệ Opus codec.

-Tương thích hoàn toàn với SIP / tiêu chuẩn DECT.

-Đèn báo trạng thái.

-Hỗ trợ chức năng cấp nguồn qua mạng PoE.

Features

-Pairs with up to 5 of Grandstream’s DP series DECT handsets via instant pairing using a dedicated pairing button.

-Up to 10 SIP accounts per system; up to 10 lines per handset.

-Support outdoor range of up to 400 meters with the DP730 or up to 350 meters with DP722/DP720 as well as indoor range up to 50 meters.

-Supports Push-to-Talk and activity based on proximity and accelerometer sensors.

-Automated provisioning options include TR-069 and XML config files.

Thông tin chi tiết

Đặc tính kỹ thuật

Air Interface	Telephony standards: DECTFrequency 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) Outdoor Range: up to 400 meters (DP730) or up to 350 meters (DP722/DP720) Indoor Range: up to 50 meters
Peripherals	3 LED indicators: Power, Network, DECT Pairing/Paging button One 10/100 Mbps auto-sensing Ethernet port with integrated PoE
Protocol/Standards	SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP
Voice Codecs	G.711μ/a-law, G.723.1, G.729A/B, G.726-32, iLBC, G.722, OPUS, G.722.2/AMR-WB (special order), in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB
Telephony Features	Hold, transfer, forward, 3-way conference, download able phonebook (XML, LDAP, upto 3000 entries), call waiting, call log (up to 300 records), auto answer, flexible dial plan, server redundancy and fail-over
QoS	Layer 2 QoS (802.1Q, 802.1P) and Layer 3 QoS (ToS, DiffServ, MPLS)
Security	User and administrator level access control, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, DECT authentication & encryption
Multi-language	English, Czech, German, Spanish, French, Hebrew, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Arabic, Chinese Simple, Chinese Tradition, Japanese, Korean, Slovakian, Serbian
Upgrade/ Provisioning	Firmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file
Multiple SIP Accounts	Up to ten (10) distinct SIP accounts per system
	Each handset may map to any SIP account(s)
	Each SIP account may map to any handset(s)
Ring Group	Flexible options when multiple handsets share the same SIP account:
	Circular Mode: all phones ring sequentially from the phone next to the one that answered last
	Linear Mode: all phones ring sequentially in the predesignated order
	Parallel Mode: all phones ring concurrently and after one phone answers, the remaining available phones can make new calls
	DID Call Group: multiple handsets can call out on the same account, but all incoming calls are directed to a single handset
Power & Green Energy Efficiency	Universal Power Supply Input AC 100-240V 50/60Hz; Output 5VDC 1A; Micro-USB Connection PoE: IEEE802.3af Class 1, 0.44W–3.84W
Package Content	Base Unit, Universal Power Supply; Ethernet cable; Quick Start Guide, GPL statement
Compliance	FCC: FCC Part 15B; FCC Part 15D; MPE; FCC ID
	CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 60950-1; EN 301 489-1/-6; EN
	301 406; EN 50385; RED NB Cert
	RCM: AS/NZS 32; AS/NZS 60950.1
	ANATEL: ANATEL, EAC, UL (adapter)
Temperature and Humidity	Operation: -10 to 50ºC (14 to 122ºF); Storage: -20º to 60ºC (-4 to 140ºF)
Temperature and Humidity	Humidity: 10% to 90% non-condensing
Dimensions	140.31 x 64.98 x 105mm
Weight	Base unit: 140g; Universal power supply: 50g; Package: 370g