Table 3: DP750 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)   
Range: up to 300 meters outdoor and 50 meters indoor 
5 LED indicators: Power, Network, Register, Call, DECT 
Reset button, Pairing/Paging button 
One 10/100 Mbps auto-sensing Ethernet port with integrated PoE 
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) 
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 
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 
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS) 
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 
English,  Czech,  German,  Spanish,  French,  Arabic,  Hebrew,  Italian,  Russian, 
Netherlands,  Japanese,  Polish,  Chinese  Simple,  Chinese  Tradition,  Korean, 
Portuguese, Slovakian, Serbian, Turkish. 
Firmware upgrade via TFTP/HTTP/HTTPS, mass provisioning using TR-069 or 
AES encrypted XML configuration file 
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)