PRODUCT SPECIFICATIONS
Grandstream DP752 Long-range DECT VoIP Base Station
The DP752 is a powerful DECT VoIP base station that pairs with up to 5 of Grandstream’s DP series DECT handsets to offer mobility to business and residential users. It supports outdoor range of up to 400 meters with the DP730/DP725/DP735 and 350 meters with DP722/DP720, as well as indoor range up to 50 meters
to give users the freedom to move around their work or home. This DECT VoIP base station supports up to 10 SIP accounts and 5 concurrent calls while also offering 3-way voice conferencing, full HD audio and integrated PoE. A shared SIP account on all handsets will add seamless unified features that gives users the ability to answer all calls regardless of location in real-time. The DP752 supports a variety of autoprovisioning methods and TLS/SRTP/HTTPS encryption security. When paired with Grandstream’s DECT handsets, the DP752 offers a powerful cordless DECT solution for any business or residential user.
Key Features
- Up to 10 SIP accounts per system; up to 10 lines per handset
- DECT authentication & encryption technology to protect calls & account
- 3-way audio conferencing for easy conference calls
- Supports Push-to-Talk and activity based on proximity and accelerometer sensors
- Automated provisioning options include TR-069 and XML config files
- Use with Grandstream’s UCM series of IP PBXs for Zero Config provisioning
- HD audio to maximize audio quality and clarity; full duplex speakerphone
- Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multi-language promtps, flexible dial plan and more
Technical Specifications
- Air Interface:
- Telephone 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 400 meters outdoors and 50 meters indoors
- 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, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB
- Telephone Features:
- Hold, transfer, forward, 3-way conference, downloadable phonebook (XML, LDAP, up to 3000 entries), call waiting, call log (up to 750 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
- 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:
- 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 Mode: multiple handsets can call out on the same account, but all incoming calls are directed to a single handset
- Flexible options when multiple handsets share the same SIP account
- Power & Green Energy Efficiency:
- Universal Power Supply:
- Input AC 100-240V 50/60Hz
- Output 5VDC 1A
- Micro-USB connection
- PoE: IEEE 802.3af Class 1, 0.44W–3.84W
- Universal Power Supply:
- 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, CE, RCM, I
