Grandstream DP752, Wireless DECT Base Statiom, 10 SIP accounts per BS, 5 DECT phones per BS, including charger, PoE

Wireless interface
Standard: DECT
Frequency range:
1880 – 1900 MHz (Europe), 1920 – 1930 MHz (USA),
1910 – 1920 MHz (Brazil), 1786 – 1792 MHz (Korea),
1893 – 1906 MHz (Japan), 1880 – 1895 MHz (Taiwan)
Number of channels: 10 (Europe), 5 (USA, Brazil or Japan), 3 (Korea), 8
(Taiwan)
Outdoor coverage area: up to 400 meters (DP730) or up to 350 meters (DP722/
DP720)
Indoor coverage area: up to 50 meters

Periphery
3 LED indicators: Power, Network, DECT
The Pairing button/Paging
One 10/100 Mbps Ethernet port with auto-detection with built-in PoE
adapter

Protocols/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*

Speech codecs
G.711μ/a-law, G.723.1, G.729A/B, G.726-32, iLBC, G.722, OPUS, G.722.2/AMR-WB
(by special order), in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD,
CNG, PLC, AJB

Telephony functions
Hold, transfer, forwarding, 3-way conference, downloadable
phonebook (XML, LDAP, up to 3000 entries), Call waiting
, Call log (up to 750 entries), Auto response, flexible number plan, backup server

QoS
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 QoS (ToS, DiffServ, MPLS)

Safety
Access level control at the user and administrator level,
MD5 and MD5-sess authentication, 256-bit configuration file
AES encryption, TLS, SRTP*, HTTPS, 802.1x media access control, DECT
authentication and encryption

Language support
English, Czech, German, Spanish, French, Hebrew, Italian,
Dutch, Polish, Portuguese, Russian, Turkish, Arabic, Chinese
Simplified, Chinese Traditional, Japanese, Korean, Slovak,
Serbian

Update/Customization
Firmware update via TFTP/HTTP/HTTPS, mass configuration using
TR-069 or XML configuration file with AES encryption

SIP accounts
Up to ten (10) separate SIP accounts per system
Each handset can be connected to any SIP account(s)
Each SIP account can be connected to any handset(s)

Call Groups
Flexible options when using the same SIP account on
multiple handsets:
Circular mode: all handsets ring sequentially, starting with the handset
following the one that was answered last
Linear mode: all handsets ring sequentially in a given order
Parallel mode: All handsets ring at the same time, and after answering from
one
handset, the remaining available handsets are available to make new calls
DID call group: Multiple handsets can call the same
account, but all incoming calls are routed to the same handset

Energy efficiency and environmental friendliness
Universal power supply Input: AC 100-240V 50/60Hz; Output: 5VDC 1A;
connection via Micro-USB;
PoE: IEEE802.3af Class 1, 0.44W–3.84W

Dimensions (H x W x D)
140,31 x 64,98 x 105mm

Weight
Base unit: 140g; Universal power supply: 50g; Package: 370g

Temperature and humidity
Operation: -10 to 50ºC (14 to 122ºF); Storage: -20º to 60ºC (-4 to 140ºF)
Humidity: 10% to 90% non-condensing

Accordance
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)