ip pbx
ip pbx

DP20

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Details
The SIP based audio system DP20 utilizes the built-in intercom and paging capability already inherent in most modern IP PBX systems


Features
  • 3 way call conference
  • Redial
  • Call completion
  • Hot desking
  • SIP messaging , MWI
  • Flexible dial plan
  • Barring function for outgoing calls
  • Do not disturb
  • Auto answer
  • Caller ID display
  • CLIR(rejects anonymous calls)
  • CLIP(to make an anonymous call)
  • Dial without registration
  • Call logs with missed calls/ incoming calls/
  • Phonebook 500 records
  • Speed Dial (abbreviated dialing)
    • Hotline/Warm-line
  • Call rejection
  • Black List/ White List
  • Intercom/Intercom barge
  • Password dial, DTMF hidden
  • Action URL/ active URI
  • Multicast
  • LDAP, XML phonebook
  • Web dial
  • Keypad lock, Emergency call
  • Large dot matrix LCD display and soft keys make user
    • easier to use
  • Soft keys programmable
  • Function keys programmable (each key have 2-color
    • led indication)
  • Multi languages displayed
  • Codec: G.711A/u, G.7231 high/low, G.729AB, G.722, G.726-32
  • DTMF: In-band, RFC 2833 and SIP INFO
  • Full duplex hands- free speaker phone with acoustic
    • echo cancellation
  • Voice Activity Detection (VAD)
  • Comfort Noise Generation (CNG)
  • Adaptive jitter buffers
  • Packet loss concealment
  • SRTP
  • mute
    • Physical features
  • Adapter Input: AC 100-240V
  • Adapter Output: DC 5V/1A
  • WAN Port -10/100 BASE-T RJ-45 for LAN
  • LAN Port-10/100 BASE-T RJ-45 for PC
Signaling
  • ISDN PRI Standard: ANSI NI-2 DMS 5ESS IP SIP RFC3261
  • SIP RFC3261
  • DTMF Relay: RFC2833, INFO (SIP)
Special Features
Model Interface Echo Cancellation Price
DP20 5500
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