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Release Date:

  • February 2023

What is new?


  • Alarming, Messaging and Location
  • Extend CLIP/COLP possibilities with PAI(tel)
    • FROM
    • PPI + FROM
    • PAI(sip )+ PPI + FROM
    • PAI(tel) + PPI + FROM
    • PAI(tel) + FROM + PAI(sip)
  • Syslog:
    • TLS protocol can be configured via web-interface and not only via auto-provisioning
  • DECT registration window
    • Close the DECT registration window on all DMs, if last handset has moved from in-Registration to Registered
  • Support:
  • Consultation-Softkey (to put call on hold and start consultation call) should not disappear in passive hold
  • Central Phonebook
    • Do not show empty entries
    • Download via https
  • Security
    • Disable unsecure TLS1.1
  • License:
    • 'Please activate license' after restore settings with an active license to another VI
    • Failover Period Active is shown in web-interface
  • CNIP with special characters is displayed incorrectly on consultation call display
  • Provisioning:
    • Templates with more handsets then supported should not give error
    • encrypted provisioning file support
  • Web-interface
    • Status of last Automatic backup
  • CCBS - Ringback via 486 Busy like in N720
  • SIP re-registration expected at ..% of expire timer
  • Reboot via SIP NOTIFY Event: check-sync;reboot=true
  •  Option for priority of SIP name over net/central-dir-autolookup
  • ***922 test tone gone after handover
  • CCBS and CCNR should by config-option be made available for SIP servers indicating ccbs/ccnr support by different measures
  • TTL time can be adjusted to 128
  • Send DTMF tone during call waiting signaling
  • Status of last Automatic backup listed in WebUI
  • Name in XSI phonebook is not displayed properly in incoming calls
  • SIP account does not register after employee change
  • N870 behind IBERNEX "nurse call" system - CLIP/CNIP is not displayed in incoming calls, "External" instead
  • DNS SRV/A queries - TTL not applied
  • Device cannot start an upgrade/downgrade process if there is an active call
  • Busy display - removing useless softkey "Options" as it does nothing at "Busy" display


  • If Registrar/Proxy is given by FQDN, Failover-Server function does not work
  • Sporadic no audio when using TLS and SRTP in a multicell environment
  • LAN synchronisation
    • ptp reload and so asynchrony triggered by too sensitive check for DHCP changes
  • N670 auto-answer call info after=0, also if Call Manager set to NO!
  • RFC2833 DTMF doesn't work
  • Name in XSI phonebook is not displayed properly in incoming calls
  • N870 after some weeks stop sip registration
  • Enabling/Disabling VLAN via provisioning makes the LAN interface go down
  • RPID info in UPDATE is not displayed on handset after attended transfer
  • INVITE with replaces header is not answered with 200OK 
  • LDAP
    • LDAP client is not able to properly close the session when there are some errors during parsing of the LDAP filters configured for LDAP requests
    • Validate syntax for filters

Known Issues

  • ...

titleSoftware (V2.52.0 build 5d71b83)

titleVirtual Integrator V2.52

These files are for the Virtual Integrator only,
for the Nx70 click on the above download button.

Download VI zip file

Download VI ova file

Download VI update file

titleFake software image for testing upgrade (V999.52.0)

fake software image