Grandstream DP750

DP750 je DECT základnová stanice umožnující registraci až 5 DECT bezdrátových telefonu DP720.Díky dosahu až 300m ve venkovním prostredí a 50m uvnitr budov najde široké uplatnení v kancelárích, skladech, hotelech, školách atd. Lze nakonfigurovat až 10 SIP úctu. Stanice umožnuje 4 soucasne probíhající hovory a telekonferenci o 3 úcastnících.


Nechybí funkce jako transfer, forward, call waiting, call log, auto answer, flexible dial plan, music on hold.



V nastavení základny lze priradit jednotlivé SIP úcty na konkrétní handsety DP720, nebo mohou sdílet spolecný SIP úcet.



V prípade sdílení spolecného SIP úctu jsou k dispozici následující módy:

Kruhový mód - všechny telefony zvoní postupne, zacínajíc od toho který jako poslední prijal predešlý hovor.

Lineární mód – všechny telefony zvoní postupne v predem definovaném poradí

Paralelní mód – všechny telefony zvoní soucasne a jakmile jeden prijme hovor ostatní telefony mohou navázat nové hovory.

Sdílený mód – všechny telefony zvoní soucasne a vždy sdíli jednu linku – podobné analogovým telefonum



Produkt je kompletne lokalizován v ceském jazyce.

• 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

• 5 LED indicators: Power, Network, Register, Call, DECT

• Reset button, 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, IPv6

• (Pending)

• 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, music on hold,

• server redundancy and fail-over

• Sample Applications Weather, Currency (Pending)

• 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

• Arabic, Chinese Simple, Chinese Tradition, Croatian, Czech, Danish, Dutch, English, Estonian,

• Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Norwegian, Polish,

• Portuguese, Romanian, Russian, Slovenian, Spanish, Swedish, Turkish

• 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

• Shared Mode: all phones ring concurrently and always share the same line similar to analog

• phones

• 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

• Dimensions (H x W x D) 28.5 x 130 x 90 mm

• Weight Base unit: 143g; Universal Power Supply: 50g; Package: 360g

• Temperature and Humidity Operation: -10 to 55oC (41 to 131oF); Storage: -20o to 60oC (-4 to 140oF)