Grandstream DP752 Technical Specifications

• 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)
• 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, downloadable phonebook (XML, LDAP, up to 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

Power And 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

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

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)