Firmware/V8 9 3 80

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Service Pack 1: - December 2017

Service Pack 1: is a firmware maintenance release for Snom desktop phones superseding the release from May 2017 and Security Rollup from November 2017

 * Please make sure you read ALL of the information below before installing the software on your device. 
 * Please install and test the software in your environment before mass deployment
 * We encourage you to read and follow our security advisories.
 * This release does NOT directly include the OpenVPN feature in firmware file anymore. If you wish to use this feature
please make sure you understand all security implications and follow this link after installing the software.

Download Links & Installation

Please make sure you have read the below information (release notes & known issues before installing this software on your device.

Firmware images

The following models are supported with this firmware. Please note: for all other models firmware maintenance is continued in Firmware Branch 8.7.5.x. :

Important upgrade/downgrade instructions:

 * Any phone running an 8.9.3.x or higher firmware should not be downgraded to a version below
 * This may lead to a deadlock situation where the firmware works, but the phone cannot be updated anymore at all!
 * All versions lower than are affected by this update procedure issue.
 * Only option left to get out from such deadlock situation is to use the network recovery procedure as described in our support How-to
 * If the downgrade is mandatory, use the as an intermediate firmware downgrade step, before you finally install the desired/known as affected version!
 * Please note: if you experience the deadlock situation do not open an RMA case, as this is not a hardware/flash issue!' 

Snom D3x5 series

Phone Model File Size SHA256 Checksum File Name
Snom D375 ~ 30MB 5a5eb55a22fba0bd95453114332d23f7237455ef2623212445c78201f87bf2e9 snomD375-
Snom D345 ~ 25MB d40e9a88d3de39256feed56a123c110a97a6b48e7712fe67e682ac1b1ab29184 snomD345-
Snom D315 ~ 25MB ea6107c7281b292c9e848229c8341f3b426eda50198b46c50e63bf2127a34683 snomD315-
Snom D305 ~ 23MB ee013ed62ac083fec7a3ed1bb8341b7fbddb447a8e81d8ddcfd8cb8f762831f4 snomD305-

Snom D7x5 series

Phone Model File Size SHA256 Checksum File Name
Snom D765 ~ 29MB 08b42933ff8fb477fa3550e790ea78d823970a6c7960c1ef51a2310b132c8cd7 snomD765-
Snom D745 ~ 25MB c90994f18e34ad795709e93e035fbde99e24ddfb462533e2eb5fdd8b9cb9f50c snomD745-
Snom D725 ~ 23MB 56137c267b9b6c90baa8ba1ce29558e26b522161332edc5f1e889aaaaeec7269 snom725-
Snom 715 / D715 ~ 23MB 1838f05b42b7a88a3633cd8ac87ccfad222bb745d90a886d72c2de10933ec787 snom715-

Snom 7x0 series

Phone Model File Size SHA256 Checksum File Name
Snom 760 ~ 27MB bfe85b2e2110445633d30fd652d59a9a69088a5b02b8441f9a9cd0289312a5ad snom760-
Snom 720 ~ 22MB 1ed573baacb57dc606257f3fb716ecf1895173d694110191eb3946db57c8228b snom720-
Snom D712 ~ 21MB 80e5edba6d6dfc3f1ec1505e272914497f06cb2d531963cc37987a8759bd0689 snomD712-
Snom 710 / D710 ~ 13MB 7cb53f172382e2a85223d7462d3bc9a5cb9f6a2f78312f382135c6cd60326259 snom710-

VPN Feature

Since Firmware version the VPN feature is no longer shipped with the default firmware due to security considerations. If you want to enable the VPN feature you have to install the VPN patch, following the download links.

Important notes about the VPN feature:

  • a network recovery will remove the VPN feature
  • starting with fw version the VPN patch version must be aligned with the phone firmware
  • if the VPN patch is installed when you update the phone updating the VPN patch is not needed

Snom D3x5 series

Phone Model File Size SHA256 Checksum File Name
snomD375 ~ 228K cb5f4fdd6cf51cc9e4648d07774d9333a6764e55eebea419f866022c4a50c9c8 snomD375-
snomD345 ~ 228K 8220cca280d50f0e5b63b5f5dc1cc15c00e5fbf36a33cfc448d64c00be483586 snomD345-
snomD315 ~ 228K bab822e45a2f6ae391525bfef6e15c29c96e69992bdf9f9cce3ff751604c2709 snomD315-

Snom D7x5 series

Phone Model File Size SHA256 Checksum File Name
snomD765 ~ 228K e36c8f7c04d8bbfecb1fcb6356e744151a70c3a37e622d50adf95adb8301a5df snomD765-
snomD745 ~ 228K 0d888b606b7b3b2c83aed4b34d2bdfeb2b2fbb18a652c0daf4ba592aecb88196 snomD745-
snomD725 ~ 228K f2ec8a0b7e6376f5f173b0bdaa10acd195fe84b8ae34ba316e12ea3b803686e4 snom725-
snom715 / snomD715 ~ 228K 830e5e620cf379ef25ededbe9a1e189002b9031e7880d13ebab5fc1c4833d8c7 snom715-

Snom 7x0 series

Phone Model File Size SHA256 Checksum File Name
snom710 / snomD710 ~ 256K 62f19a31fc115958887518e30c1eafa1d9034b24b7bccc996b00bcf7c3d02eba snom710-
snomD712 ~ 228K 1eb733f35c8f0041bfe87be0f727d98cc9321c19583492546b64148072b28d1f snomD712-
snom720 ~ 228K fd0d72c27aa9e32d8e4ec1b11857b59c9b5a3f95edd2807562863e91e057014a snom720-
snom760 ~ 228K 16e1dd4e4747eb049ed1d8bbe8363843f06343a3b3cd5b206cb80045451cfe9b snom760-

Customisation files

In the following links you can find all the internal files that can be customised via Branding, via the <uploads> provisioning tag and the default language XML files.

Snom D3x5 series

Phone Model File Size SHA256 Checksum File Name
snomD375 ~ 2.5M 098f5398ad5c61f867a18134e1436290aaee8b6c75b317e91087355d71b4d757 snomD375-
snomD345 ~ 1004K 82ad5af6489b6578e20cadd73025dd69b0647b0fc6f6b42e41a30cd70f23bac3 snomD345-
snomD315 ~ 1004K 4d97a2e53f822f56b83c9db49a1b679e3ffca2ea419e980f7a49956a441bc5d3 snomD315-
snomD305 ~ 1004K d3608698a9e035b8ecba91093ed3f87e55ced356916b5570b6b436cad1605d23 snomD305-

Snom D7x5 series

Phone Model File Size SHA256 Checksum File Name
snomD765 ~ 1.4M 25a448e13309a2a73e5b57d65968ada5df16463670247a2e5f17bbfb4e637713 snomD765-
snomD745 ~ 1004K 819a2b0049f474bba0caedc6fb7bf25dd8eea6a86733460af303fb5ec7061d96 snomD745-
snomD725 ~ 976K 0c2ab092e76fa1df74bbf4e2ec98601928352f9a9676c371850daa3452a3d062 snom725-
snomD715 / snom715 ~ 976K 20f7034c353fea2bbe1337e5a3f53c5d0b737b7bc57a950394b5877e82017ce1 snom715-

Snom 7x0 series

Phone Model File Size SHA256 Checksum File Name
snom710 / snomD710 ~ 976K 8b6f74338df1654de23a4332ada4d9ef3dc555cf8ec55cf20e58b9729877c5d2 snom710-
snomD712 ~ 976K b1816889be44c393b723347ac04cc929e831e4898c19dc37af3ea41f00039b41 snomD712-
snom720 ~ 976K f3f3ec62e31c61c34bb81f889cb0c48905fccc4f64646e13c8e57874a7f9482a snom720-
snom760 ~ 1.4M 699ca1ae5b9e4b73bf87ef039e57347fd29f0b6cc7664fc1fb04f3ce7202c3bf snom760-

Installation Instructions

Right-click on the appropriate link for your device and choose Copy shortcut:

Open the Web User Interface and navigate to the Software Update page

Paste the link into the Firmware field

Web User Interface -> Software Update -> Firmware

Press Load

--> The Device reboots and starts the software update.

Note: Do not disconnect the power at any time during this process!

Check your firmware version afterwards

Release Notes

The list below describes the changes starting with

-=New Features=-

SAP-457 ADD: New LDAP picture support on incoming / outgoing calls: Implementation of binary object parameter (as 'jpegPhoto') to display pictures along with LDAP directory entries
SAP-1040 ADD: Enhanced call forwarding via Pool soft key in all "Target when Forwarding" dialogs. All Pool contacts (LDAP, Call History, Directory, etc.) can now be set as target for CFWD operations
SAP-496 ADD: New setting to display or suppress messages received via SIP MESSAGES outside an INVITE shown in call screens, - see show_desktop_msg_in_call_screens for more details
SAP-567 ADD: New setting xfer_dest_order_lifo allows to customize in which order held calls are presented during an attended transfer scenario (last in first out)
SAP-1551 ADD: Enhanced call_join_xfer with new value "always" enables invoking immediate transfer via transfer key, without additional selection and confirmation, independant of how many calls are on hold
& SCPP-205
ADD: Transfer with Line keys is now supported, - also works for BLF, Extension, speed dial, presence. E.g. in attendant transfer select transfer destination via corresponding flashing Line key.

SAP-1588 ADD: New setting to disable / enable "blacklisting callers via long press cancel key on incoming", - don't miss to see long_cancel_is_blocking_caller for more details
SAP-1497 ADD: New remote / server based blacklisting, via introduction of a new action URL action_blacklist_url and related remote_blacklist_action_timer
Please note: this is entirely decoupled from phone internal Contact Type "deny list" and aforementioned SAP-1588

SAP-1706 ADD: New Long Press / LP-feature introduces Phone User Interface and provisioning configuration of long press event support for every Line Key: fkey_longpress is on per default
LP-feature allows e.g. the reconfiguration of the Line Key that was long pressed or supports remote XML application calls when combined with Action URL for long press
Please note: for several key types contradictory to long press event support like e.g. P2T - Push2Talk the LP-feature needs to be turned off
Also applies when using XML defined keys with on press / on release attributes

SAP-1871 FIX: Enhanced key event F_REDIAL, which opens the dialed section in call history now also acts as OK allowing to call the selected number using same Fkey.

SAP-1574 ADD: New interupt parameter value: 2 for mc_address allows mixing scenarios with normal calls & multicast, including call audio split for remote party (supported on D7xx & D3x5)
Please note: to ensure a multicast can also interrupt during hold, cw_dialtone needs to be set to: off

SAP-1323 ADD: New immediate SIP failover when ICMP is received. SIP stack now acts on ICMP messages, - before failover could be inordinately long due to timeouts of requests send to invalid address
SAP-1410 ADD: New multiple value (SIP response codes & reason phrases) support for sip_failover_response_reg & sip_failover_response

SAP-1341 ADD: New support for primary & secondary (multiple) provisioning server for redundancy via FQDN (DNS query returns multiple IP addresses)
Please take swupd_curl_timeouts also into consideration regarding firmware update scenarios that include provisioning redundancy
SAP-1496 ADD: New support for Periodic Provisioning Server Polling, - see /advanced_update.htm in device Web User Interface for new setting like prov_polling_enabled



SAP-1836 FIX: WPA2 patched against KRACK WPA 2 exploit
SAP-1653 FIX: MD5 value set on user_hash is now treated as secret as user_pass
Please note: general Web User Interface protection improvement is strongly recommended e.g. in strict accordance with FAQ:How_do_I_secure_my_phone
SAP-1346 FIX: TR-069 port (7547) is now closed if TR-069 is not used
SAP-568 FIX: The lock symbol in display indicating an SIPS/SRTP secured call remained after call was ended, or when SRTP switched to RTP during a call, e.g. in receiving not encrypted MoH
SAP-1897 FIX: Default value for host_name_validation_flags changed from 2 to 0 to re-enable support for wildcard SSL certificates, - review host_name_validation_flags for more details & effectiveness
SAP-1933 FIX: Removed an expired preinstalled certificate (CN=DST ACES CA X6,OU=DST ACES,O=Digital Signature Trust,C=US) and added: IdenTrust Public Sector Root CA 1

-=Network Protocol=-

SAP-1325 FIX: Web client did not handle a 3xx redirect response when Transfer-Encoding is chunked
SAP-1736 FIX: An LLDP-MED packet with policy: VLAN: 0, DSCP: 0, VLAN Prio: 0 was processed as a new policy initiated a reboot, ultimately led to a reboot-loop, - also perceived as a crash due to the deferred reboot execution
Please note: issue was introduced in May 2017 via SAP-611, - corrections included in SAP-611 remain intact
SAP-1378 FIX: Snom D712: POE class in LLDP was adjusted for D712, - it sends now "Power Value: 3800 mW" via LLDP
SAP-1391 UPD: Changed LLDP manufacturer name from "snom technology AG" to "snom"


SAP-1676 ADD: Phone reports UXM (D3 / D7) version info & UXM count when available, via Phone User Interface: System info and via Web User Interface: /info.htm and /support.htm

-=Firmware Update=-

SAP-374 ADD: One UXM expansion module, D3 / D7 can now be updated via USB equipped deskphone (supported on D7xx & D3x5), see Firmware/UXM for guidance & UXM firmware

-=SIP Signaling=-

SAP-1416 FIX: Receiving Expire = 0 on Register did not trigger custom retry interval (see: retry_after_failed_register), - timer for failed registration was ignored and register send after default: 300s
SAP-1429 FIX: A retransmitted 180 was PRACKed (see: RFC 3262 Section 4), - in some cases the cseq was incremented
SAP-1572 FIX: Snom D3x5, D7x5 & D712: If the SSRC is changed during shift from early media to the proper rtp without a new call setup, an rtp delay with up to ~3 seconds of no-audio could be observed
SAP-1632 FIX: If an previously negotiated session intervall was during an HOLD refused with "422 Session interval too small", the new proposed was ignored for RE-INVITE, - resulting in a local HOLD
SAP-1821 FIX: If an SDP is received in an 181 "Call is Being Forwarded" it was not processed, no early media was played at the 181, ultimately led to call was dropped / ended with BYE directly after 200 OK
SAP-1848 FIX: Receiving multiple m-lines in an SDP, a parsing error led to apply the second m-line even it was disabled and had a status sendonly (in the specific case), - ultimately caused one way audio scenarios
SAP-1215 FIX: BLF's configured with XML definitions could loose the subscription


SAP-1488 FIX: After an call with alert-info header, the ringtone linked to it was not reset
The next call without alert-info header was indicated with this ringtone instead of the standard
SAP-1918 FIX: Improved AGC performance (Automatic Gain Control) for handsfree speakerphone use for D3x5 series, the D7x5, 7x5 and D712
SAP-1837 FIX: Support for increased_ringer_volume on 720 and 760 was broken and on D3x5 series, the D7x5, 7x5 and D712 it was listed under /settings.htm even it was never introduced to be supported
SAP-1844 ADD: Support for increased_ringer_volume is now introduced for all 7xx, D7xx, D3xx models
SAP-609 FIX: Snom 710 / D710: Loss of DTMF or Call Waiting tone after ~280 calls received
SAP-1573 FIX: Snom 710 / D710: DTMF (in-band) stopped working after ~400 calls and needs a reboot to recover it

-=User Interface=-


  • Extensions and corrections of icons, particularly for monochrome high resolution models plus aligning the low resolution models to it
  • Minor text adjustments, centering, upper & lower case corrections, etc.
  • Minor improvements in Web User Interface and Phone User Interface
  • Always scroll title, messages etc. if texts are too long
  • Improved image cache robustness
  • Several text cut-offs addressed
SAP-1518 FIX: Snom 760 (solely HW Revision R1A): Scrolling with navigation key did not work properly within e.g. Directory and Timezone, was skipping entries or a whole page
Please note: was caused by an regression introduced with the release from May 2017 - No need for an RMA!
SAP-1729 FIX: D305 & D315: if mute_is_dnd_in_idle is ON, the Mute key led does now lit-up / goes off aligned with DND is active / inactive
SAP-1768 UPD: To prevent accidental redirections / deflections via e.g. speed dial, the new default value is "off" for redirect_ringing
SAP-1723 FIX: F_SAFETRANSFER soft key and its functionality was recovered
SAP-1494 FIX: Transfer target appeared in transferee's dialed calls list (or likewise in received calls list), but was not dialed (or received), - depending on initial call direction A -> B + xfer, or B -> A + xfer
SAP-1150 FIX: Missed call counter was increased in case of: SIP;cause=200;text="Call completed elsewhere", if missed calls exists before. The call was not added to call history
SAP-779 FIX: Now all phones indicate that VPN is in use in display (limited to 8.9.3.x supported models)
SAP-1375 FIX: With CFWD enabled on color screen phones the call forward overlay was blocking the user from reading the call history
SAP-1405 FIX: Only on color display phones in multicast scenarios: Speaker symbol was displayed too late when changing from headset to speaker
SAP-910 FIX: The backlight remained constantly on, even no minibrowser instance was active - like minibrowser exit was not entirely completed
Please note: this was also indicated via debug pages /state_of_gui.htm: "BACKLIGHT constant_on" and /minibrowser.htm: "No active minibrowser instance"
SAP-1311 FIX: Timezone Chile had outdated DST values
SAP-1364 FIX: Timezone Turkey was using wrong UTC offset

-=Web User Interface=-

SAP-1633 FIX: Photo-upload in directory was impossible if the contact has special characters (in names/nick), e.g. ä,ö,ü and others
SAP-1316 FIX: Web User Interface language does now falls back to English if current language value is not available
SAP-1401 FIX: After an identity was removed, the function keys context still referenced the removed one
SAP-1428 FIX: Valid values for vlan_id & vlan_pc_id are now restricted to 1-4094. Please note: VLAN ID 0 and 4095 are for reserved use as defined by the IEEE_802.1Q standard and should not be set on devices
SAP-1677 FIX: Update of company name in Web User Interface navigation pane

-=XML Minibrowser=-

SAP-1324 FIX: XML Minibrowser overflow control implemented (hint: on http://phone-ip-address/minibrowser.htm?show=STATE you can see the minibrowser-stack growing)


SAP-653 FIX: ldap_predict_text=on combined with guess_number=on can lead to unlimited length of query string


SAP-1339 FIX: Large local directory (e.g. 2000 entries) slowed down the phone significantly on incoming call, as the search takes very long
SAP-1546 FIX: If user_pic is set to an URL that is invalid or unresolvable the phone significantly slows down esp. during repetition of fetch attempts
SAP-1738 FIX: If an unsupported image size (dimensions) was provided to the phone via custom_bg_image_url the phones crashed and ultimately led to a crash-loop as long the image was downloaded yet again
SAP-1800 FIX: In particular case, where the phone is transferred to a target that forwards the call to a target that rejects the call, the phone crashed frequently
SAP-1415 FIX: The support for XmlSubTags/action on press / on release was recovered
Please note: the new LP-feature introduced with SAP-1706 (listed above under new features) needs to be turned off for the respective key via fkey_longpress
SAP-1684 FIX: 19222 is removed from default emergency numbers, as it is not an emergency number

Known issues

The following is a list of issues that are known to appear with this release. Please DO NOT open support tickets reporting these issues.

               SCPP-6299 Replacing handset does not immediately return phone to idle when remote is busy
               SCPP-6317 Phone shows ethernet disconnect warning when W-Lan is in use
               SCPP-6351 Headset Jabra Pro 935 via USB: headset can end incoming calls only by pressing the headset button twice (works with snom EHS Advanced)
               SCPP-6334 D715 & D725: ignores volume parameter from multicast setting: mc_address
               SAP-220   710: holding reminder heard by connected party
   Allnet WLAN SCPP-7671 WLAN stick Allnet ALL0233DB doesn't work anymore with IPv6


If you have any issues with the firmware please do the following:

  • If the issues massively affect the service please downgrade back to the software version you were using before
  • As an end-user please contact your reseller or post your question in the snom forum
  • As a VAR please open a support ticket on out helpdesk
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