New features:

• Repeater chaining is now supported

Delta to V501B1/B2

• Base Station releases V510B1should be used with Repeater releases V480B5 or later.
• Headset Version is V500B1.
• A190 might require an update of the voice prompts which can be done through dect.snom.com as shown on the picture below.
  
  
• 

Features added:

• BV32 codec support on M900, M70, M80, M90
• DECT-520 - Simple XML browser (M900)
• DECT-825 - Additional options for simple XML browser (M900)
• DECT-600 - LDAP sorting
• DECT-692 - SIP: introduce mediasec header

• DECT-783 - PTT will be received automatically on a connected wired or BT headset

Bug fixes:

• DECT-810 - Transferred call drops after 30 seconds
• DECT-700 - Directory full name cut on display (M70, M80, M90)
• DECT-782 - Resolved Non-Compliance RFC 3261 Clause 17.2.2 Non-INVITE Server
• DECT-785 - pp_menu_hide parameters not updated
• DECT-681 - Unexpected Reboots Error:92
• DECT-XXX - Wired headset could cause handset to reboot
• DECT-XXX - Handset issues LDAP connection failed though connection was ok
• DECT-XXX - DNS failover memory leak was fixed

• Known issues:
  Simple XML Minibrowser does not handle softkey in XML properly
• Simple XML Minibrowser invalid combination when attempting to remove extensions from URL string

Delta to V500B1

• Base Station releases V501B1should be used with Repeater releases V480B5 or newer.
• Release version for base stations is V501B1, Handset version is V501B2

Features added:

• DECT-623 LLDP-MED is set to "enabled" on default
• DECT-467 Add OPUS support to M900 (needs A900 DSP module)

Bug fixes:

• DECT-708 call is not forwarded when "Diversion Inhibited" is enabled with Broadsoft
• DECT-704 can hold call when session timer is enabled with Broadsoft
• DECT-628 M85 does not trigger "No movement alarm" when put in charging cradle

Known issues:

• BV32 codec with handover not working

Delta to V450B13

Features added:

• DECT-688 Noise Cancelling option (M85), Noise reduction option on (M70, M80, M90)
• DECT-665 LLDP-MED can be set through provisioning
• DECT-685 TLS outbound support (Explicit Routing)
• DECT-559 Longer XSI credentials
• DECT-662 Slovak language for Handsets
• DECT-605 Czech language for Handsets
• DECT-459 Push-to-talk (PTT) on Handsets
• DECT-669 Increased provisioning file size (M300: 700KB, M700: 700KB, M900: 1MB)
• DECT-337/DECT-650 MOH server with TLS

Bug fixes:

• DECT-696/DECT-697 Issues with Spanish and Russian language resolved
• DECT-654 Alarm key did not trigger alarm when delay was configured
• DECT-549/DECT-578 Phone directory does not modify numbers anymore with starting "+" when provisioning is used
• DECT-664 LAN synchronization could not be configured using provisioning (M900)
• DECT-703 Context key was non-functional during transfer
• DECT-637 Certain server requests were sent in a loop (M300)
• DECT-646 In certain situations there was static noise on incoming calls
• DECT-684 XSI server was not correctly synchronized in Multi-cell set-up
• DECT-681 Unexpected Reboot 92
• DECT-799 Backlight flickering when message LED is active

Bugfixes:

• Race condition in SIP via TCP/TLS when roaming, handset will be stuck in state “roaming”

New features:

• A190 Headset support

Known issues:

• DECT-684 No synchronization on the xsi_server values @M700

• DECT-646 DECT: Static noise with incoming call

• DECT-686 Unexpected reboots Error:59

• DECT-681 Unexpected Reboots (Error 92) @M900

• DECT-696 Handsets: Russian translation of menu / info messages uses wrong charset
• DECT-697 Handsets: Spanish info message ambiguous

Bugfixes:

• DECT-640 - FIX: M700, M900: Remove dash sign from called numbers

• DECT-647 - FIX: M700, M900: Broadsoft XSI wrong downloaded URL (XSI directories and Call Logs)

• DECT-625 - FIX: M700: Fixed reboot during handsets fw upgrade

• DECT-639 - FIX: M700, M900: XSI and LDAP addressbook cannot be activated without manual intervention from web UI

• DECT-632 - FIX: M700, M900: Wrong SIP request URI in Record-Route (strict routing) scenario
• DECT-629 - FIX: M700, M900: No audio after hold INVITE or reINVITE
• DECT-641 - FIX: M700, M900: Broadsoft XSI Caller-ID blocking: SIP authentication not working
• DECT-615 - NEW: LDAP number lookup can be disabled through provisioning

Bugfixes:

• DECT-614 - FIX: M700: Fixed unexpected reboots and stability issues

• DECT-625 - FIX: M700: Fixed reboot during handsets fw upgrade

• DECT-617 - FIX: Provisioning using file inclusiong (XML tags <setting-files><file>) is not working

• DECT-504 - FIX: No audio after call from group with music (RTP collision)

Known Issues:

• DECT-629: No audio after hold INVITE or reINVITE
• DECT-632: Wrong SIP request URI in Record-Route (strict routing) scenario
• DECT-639: XSI and LDAP addressbook cannot be activated without manual intervention from web UI

Bugfixes:

• DECT-612 - FIX: Downloaded tbook format address book no longer work
• DECT-607 - FIX: Certificates not used on M300/M700 with device out of the box 410B4
• DECT-571 - FIX: SRTP: No audio after reINVITE
• None - FIX: Central Dir not changed when using provisioning file

Bugfixes:

• DECT-594 - FIX: M700 does not send Session-Refresh reINVITE

Known Issues:

• None: Hide number sub menu not sync

New Features:

• None - NEW: HS menu control via provisioning
• DECT-528 - NEW:: Support alarm time-out configurable in seconds
• DECT-527 - NEW: Support different alarm tones/audibles
• DECT-489 - NEW: Make XSI addressbook type provisionable @broadsoft
• DECT-488 - NEW: Make XSI username and password provisionable @broadsoft
• DECT–487 - NEW: Enable sip name as user name for LDAP feature
• DECT-460 - NEW: Support of LDAP over TLS
• DECT-287 - NEW: Expanding SIP Alert-Info Header Supports
• None - NEW: Comfort Noise packets support
• None - NEW: DECT tree save / recover button on the webpage
• DECT-568 - NEW: Make XSI Caller-ID blocking provisionable @broadsoft
  

Bugfixes:

• DECT-511 - FIX: Improved primary failover alogorithm
• DECT-431 - FIX: SRTP: auth_tag_length has no valid setting value
• DECT-367 - FIX: XSI Sip Authentication does not work with different xsi username @broadsoft
• DECT-601 - FIX: Ethernet frames bigger than 1514 bytes are discarded in VLAN tagged scenario
• DECT-571: SRTP: No audio after Seq goes from 65535 to 0 and reINVITE
• DECT-569 - FIX: Timezone and dst settings are missing from the XML configuration
• DECT-565 - FIX: No audio after call transfer with codec change
• DECT-564 - FIX: SRTP: DECT does not play SRTP audio after a while
• DECT-563 - FIX: Hold/un-hold via hold and talk SIP events ends with a no audio
• DECT-562 - FIX: Codec re-negotation ends in no audio
• DECT-551 - FIX: Crash when deleting device identity certificates
• DECT-550 - FIX: M700 does not send ACK if 200 OK contains Record-Route
• DECT-543 - FIX: Security section of web GUI gets messed up when uploading client certificate X509v3 with key length of 4096
• DECT-540 - FIX: M300 crashes when uploading client certificate
• DECT-532 - FIX: Provisioning: RTP ports cannot be changed
• DECT-509 - FIX: using \\ characters into firmware settings broke the firmware menu
• DECT-481 - FIX: Alarm not working after Declined call
• DECT-461 - FIX: Handset's directory Search returns only mobile number
• DECT-384 - FIX: M700 reboots when place calls on hold with g729 and SRTP - SRTP Auth enabled
• DECT-277 - FIX: Wrong user_srtp value

New Features:

• DECT-544 - NEW: Support for TLS 1.2
• None - NEW: M25 messaging support
• DECT-521 - NEW: Hide number via XSI @broadsoft

Bugfixes:

• DECT-495 - FIX: Unable to pair Konftel 300Wx handset
• DECT-501 - FIX: Device does not update the Session-Expire header in case of 422 SIP error
• DECT-497 - FIX: Support XSI SIP Authentication for Address book @broadsoft
• DECT-456 - FIX: SIP stack cannot handle dual RTP media description
• DECT-403 - FIX: Wrong ringing tone with Ireland country

New Features:

•  DECT-464 - NEW: Feature Request uaCSTA SIP Support

Bugfixes:

• DECT-473 - FIX: M700 does not allow to provision Spanish Language
• DECT-469 - FIX: Central Directory removed from all the handsets and isn't recovered

Known Issues:

• None: Hide number sub menu not sync

Bugfixes:

• None - FIX: Configuration download during boot will not be shared

Known Issues:

• None: Hide number sub menu not sync

Bugfixes:

• None - FIX: RSSI value from a good value (-6xdBm) to -Infinity
• None - FIX: Power toggle with enabled Call Forwarding may result in double SIP registration.
• None - FIX: Handle Connection Lost from central base station

Known Issues:

• None: Hide number sub menu not sync

New Features:

• None - NEW: Backoff mechanism for provisioning.snom.com
• None - NEW: Remote removal of handset / use of device configured

Bugfixes:

• None - FIX: resets at "Forced reboot" cmd - error 41
• DECT-557 - FIX: XSI client: malformed communication
• None - FIX: Importing Germain chars to handset
• None - FIX: Unexpected reboot cause 5

Known Issues:

• None: Hide number sub menu not sync

Bugfixes:

• DECT-431- FIX: SRTP: auth_tag_length has no valid setting value
• DECT-277 - FIX: Wrong user_srtp value
• None - FIX: Issues with base reboot with Error 41
• None - FIX: Improved multicell stability
• None - FIX: Improved muilticell error logging and reporting

Known Issues:

• None: Hide number sub menu not sync

New Features:

• DECT-541 - NEW: M300/M700 does not support RFC 2617 (qop)

Known Issues:

• None: Hide number sub menu not sync

New Features:

• DECT-521 - NEW: Hide number via XSI

Bugfixes:

• DECT-522 - FIX: M25 Conf. key not shown on V410B3

New Features:

• None: - NEW: Hide number setting

Bugfixes:

• DECT-486 - FIX: Using SRTP can cause DECT base crash
• DECT-477 - FIX: Configuring the VLAN priority breaks the multi cell communication
• DECT-484 - FIX: Missing REFER in transfer scenario
• None: The handset stores only a few text Messages
• None: The handset shows only the name name, doesn't show the number of caller/callee

New Features:

• Support for repeater statistics
• Repeater syslog status improved
• Improved busy handling