DECT M-Series Firmware

• How to update M300,M400,M700,M900 DECT Base Station manually
• How to update M-Series - DECT handsets

If you want to operate the "M900" base station with the "M65 or M85" handsets, please note that you must update the "M900" to at least version "530 - B10" and the handsets to "530 - B10". Start with the base station. It is best to update all devices to the same, latest FW version.

If you want to operate the "M300/M700" base station with the "M70, M80 or M90" handsets, please note that you must update the "M300/M700" to at least version "530 - B10" and the handsets to "530 - B10". Start with the base station. It is best to update all devices to the same, latest FW version.

Delta to V740B104

V750B200 for base stations, V750B200 for handsets.

• major improvements in LanSync, Zone and Multicast tree building 
• parallel alarm and call handling improvement

• SMS- and Alarm List can be hidden in the handsets

• csv phonebook supports '*'

• handset alarm clock fixed

Features added:

• in-band DTMF

• flexible SIP Alert-info handling

known issues: 

• M85 vibration alert can cause reboot 
• XML Minibrowser Input broken

V740B104 for base stations, V740B104 for handsets.

• Peer to Peer mode working in all LAN Sync scenarios
• Restore DECT tree improved

• RSE_HEAP_BLOCK_COUNT_MISMATCH error fixed

Delta to V73xBx

V740B103 for base stations, V740B103 for handsets.

V740B103 replaces V740B102 - There are no additional fixes. Handset version has been redone to match the version numbering.

• M6 repeaters supported - use firmware V730B100 
• Use latest release V730B100 for M9B Beacon Gateways
• Use latest release V670B1 for A190 multi-cell headsets and voice prompts

Features added:

• password enforce policy for user, Engineer and admin profiles on base first web use (UK PSTI)
• New sticky SIP registration scheme introduced to avoid having too many SIP registrations on one base after first cell reboot
• fixed hanging TLS registrations until reboot
• fixed "resources exceeded" when calling more than 6 handsets per one base
• auto discover of handset Bluetooth mac for alarm and messaging servers
• small audio distortion improvement on snom M30
• known issues: 
• M65 cannot show utf-8 encoded text correctly

Delta to V650B2

V670B202 for base stations, V650B201 for handsets.

• only M6 repeaters supported
• Use latest release V9B1 for M9B Beacon Gateways
• Use latest release V670B1 for A190 multi-cell headsets

Features added:

• Multicell identifier token in user agent
• Phybridge 2-wire POE support
• V650b204 alarm fixes
• Incoming Alarm messages are mixed into existing call audio
• Alarm callback with alarm confirmation on successful call connect 
• known issue: noise in early media 

Delta to V610B5

V650B2 for base stations, handsets.

• no M5 repeater support, M6 available end of 2022
• Use latest release V9B1 for M9B Beacon Gateways
• Use latest release V530B2 for A190 multi-cell headsets

Features added:

• zero touch cloud support
• handover abort, ressources exceeded fix
• Dect XML Minibrowser (http(s))
• OPUS support with optional extension board

Bugfixes:

• DECT-905 Full name on handset display
  

• DECT-1024 M400, M900: can't receive check-sync behind cloud
  

• DECT-1062 Broadsoft: M900 search functionality is looking for the exact m atch
  

Delta to V530B7

V610B5 for base stations, handsets.

• no M5 repeater support
• Use latest release V9B1 for M9B Beacon Gateways
• Use latest release V530B2 for A190 multi-cell headsets

Features added:

• M400 base and M30 handset support
• improvements TLS stack
• extended alarm messaging protocol
• extended alarm and real time location handling
• Group Push 2 Talk
• Dect XML Minibrowser (http)
• E911 emergency profile handling
• user, engineer, admin user profiles  

Bugfixes:

• DECT-950 Change Italian translation on the WUI

• DECT-994 "Transfer this call to the held call?" is not translated

• DECT-1011 SSL handshake fails on MX00

• DECT-1022 M900: 530.7 Unexpected reboots Error:05

Delta to V530B10

V530B1400 for base stations, handsets.

• Repeater needs to be upgraded to V530B2 to avoid incompatibilities.
• Use latest release V730B100 for M9B Beacon Gateways
• Use latest release V530B2 for A190 multi-cell headsets

Bugfixes:

• occasional hanging calls and call reject fixed. RTP channels freed.
• M30 audio improvement avoiding clipping 
• multicell multicast synchronization fix
• improvements for tree building

Delta to V530B7

V530B10 for base stations, handsets.

• Repeater needs to be upgraded to V530B2 to avoid incompatibilities.
• Use latest release V9B1 for M9B Beacon Gateways
• Use latest release V530B2 for A190 multi-cell headsets

Features added:

• potential chopped audio fixed on M80, M90
• improved battery indicator
• M30 support
• resources exceeded on hand over abort fixed
• ssl handshake improvements
• wireless headset MUTE button fixed
• occasional LDAP error fix
• M25 local address book import correction. 

  Important change: Order of CSV file is now: Work->Mobile->Home.

Bugfixes:

• DECT-xxx several fixes for error 4, 41, 43, 50
  

Delta to V520B1

V530B2 for base stations, handsets, headsets and repeater.

• DECT-809 Add provisioning timer (M700, M900)
• DECT-784 PTT for A190
• DECT-793 Force password change to comply with Cybersecurity Bill in California (M900)

• Provisioned with default passwords (Multi-cell)
  Log in will ONLY cause a prompt to change default passwords when attempting access to the synchronization primary
  base. Attempts to log-in on any other base in the chain with default credentials will be denied until at least one of the passwords are changed through the provisioned configuration file or through the synchronization primary base.

• DECT-915 TLS v1.2 support with two new Cipher Suites (M300):
  • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
    
    
• Supported Cipher Suites as server are:
  • TLS_RSA_WITH_AES_256_CBC_SHA256
  • TLS_RSA_WITH_AES_128_CBC_SHA256
  • TLS_RSA_WITH_AES_128_CBC_SHA
  • TLS_RSA_WITH_AES_256_CBC_SHA

Bugfixes:

• DECT-866 XSI CallLogs did not work properly
• DECT-654 Alarm key did not trigger alarm
• DECT-857 Export and import of settings led to SIP registration error
• DECT-871 Spelling error in LDAP sort menu
• DECT-874 Base crashes after SIP notify
• DECT-933 Fixed some causes for Unexpected Reboot 92 Error
• DECT-686 Fixed some causes for Unexpected Reboot 59 Error
• DECT-xxx Fixed SIP reg error with TLS
• DECT-879 Fixed wrong Russian translations
• DECT-904 Registration failed with "Client initiated Connections" (RFC5626) set to on
• DECT-910 Setting "Client initiated Connections" was not correctly synchronized
• DECT-922 Setting "allow_call_groups" is no longer available on base stations that not support it (M700 and M900)
• DECT-548 colon ":" can now be included in the firmware URL to specify a port
• DECT-927 System was unusable after FW upgrade to V520B1, in connection with DECT-910

Known Issues:

• DECT-959 Polish language cannot be set through provisioning

V520B1 for base stations, handsets, headsets and repeater.

Features added:

• DECT-753 Option to enable/disable semi-attended transfer
• DECT-655 Support for callback number in alarm message
• DECT-719 Configurable Headset buttons for Speed-dial (A190)
• DECT-778 STUN server for FQDN can now contain 63 characters
• DECT-XXX Increase maximum of displayable characters for caller ID on M70, M80, M85 and M90
• DECT-XXX Bluetooth 4.2 support on M70, M80, M85 and M90

Bugfixes:

• DECT-542 Network_sync_debug_enable can correctly set via provisioning
• DECT-808 NAT issues with cloud PBX
• DECT-775 Audio problems due to resource issues with STUN
• DECT-686 Fixed two potential causes of Unexpected Reboot Error 59 (one in connection with XSI get)
• DECT-845 Export of local phonebook caused duplicate entries
• DECT-856 PnP was not working
• DECT-XXX Bad audio with M700 and M25
• DECT-XXX Fixed memory leak in DNS failvoer
• DECT-XXX Daylight saving time changed at the wrong date/time
• DECT-XXX Bad invite had handsets ring, even if cancelled
• DECT-XXX Transferred call dropped after 30 seconds
• DECT-XXX SIP extension part of user login not synced in multicell
• DECT-XXX Add new extension always added as idx 1 and not new entry
• DECT-XXX Pressing sidekey when handset in idle to minimum sound volume causes volume icon to disappear
• DECT-XXX Retrieved call is rejected with “Not acceptable here” when set on hold
• DECT-XXX PBX SIP registration expiry ignored by base station
• DECT-XXX Paired terminal: cannot end call when making conference
• DECT-XXX Handset still displays Conference screen after hanging up one party
• DECT-681 Race condition was fixed that could lead to Unexpected Reboot Error 92
• Simple XML Minibrowser does not handle softkey in XML properly
• Simple XML Minibrowser invalid combination when attempting to remove extensions from URL string

• 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.
• 

Bug fixes:

• DECT-847 - Handsets not ringing - Follow PBX expiry response
• DECT-874 - Base station crashes after SIP notify
• DECT-686 - M700 / M900: Unexpected reboots Error:59
• DECT-808 - NAT Issues with 3CX and STUN CONFIGURATION
• DECT-858 - VF_DE / BSFT: SIP REGISTER failing after transport protocol is switched unintentionally
• DECT-871 - Spelling error in LDAP "Sort" choice Menu
• DECT-857 - Export Settings and Uploading them to the base again leads to sip rgistration issue
• DECT-626 - "SIP extension part of user login:" not synced in multicell
• DECT-654 - Alarm key does not trigger alarm
• DECT-853 - M9B: Menu BTLE Config, the M9Bs cannot be found..
• DECT-856 - PnP Provisioning not working anymore in FW 510

• 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

• PnP Provisioning is not working

• 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

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 (reduces the number of parallel calls by 2(for NB codecs) or 1(for WB codecs) per base if activated)
• 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