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• reworked firmware installation mechanism, to make installation more robust (Read the article above please!)

• fixed issues on factory reset

• improved recovery mode

• improved provisioning

• added option to set plain password on provisioning

• improved interface with berocloud, works now in recovery-mode

• fixed issue rotating cloud log

• reordered and reworked presentation of some GUI settings

• fixed issue uploading certificate

• can show certificate in GUI now

• added button to download certificate

• enhanced TLS security during provisioning over TLS

• added option to choose which files to export in the config

• ISDN int and nat prefixes are not mandatory anymore

• ISDN city code not mandatory anymore

• improved occasional issue of having slightly distorted audio on LTE modules

• added graceful activate method

• improved analog FXS detection

• added option to force driver to load modules from configuration for FXS detection

• fixed SNMP RAM reporting when CDR logging was enabled

• improved some issues sending SMS

• added possibility to send and receive SMS in PDU mode

• when using port numbers in dialplan as from_id, settings from configured PSTN group will be applied

• fixed some memory leaks

• fixed some issus with DNS resolving

• made registration fail timeout configurable

• parsing SIP headers now case insensitive

• setting sip_contact_all_setting for S2S outgoing contact header

• added config settings sip_from_user_all_setting, sip_to_user_all_setting, sip_request_uri_all_setting

• fixed passing through crypto strings in transparent mode for SIP→SIP

• fixed passing through telephony payload in transparent mode for SIP→SIP

• SIP User Agent customizable now

• added experimental option isdn_layer_fix to bring back occasionaly lost ISDN layer 2 in some environments

• fixed issues isgw ending and not restarting on some ISDN communication errors

• fixed sending NAT probe in transparent SIP->SIP mode

• fixed SIP-SIP transcoding call when sending to our own WAN device

• fix some dialplan issues

• fixed some ntphost issues

• pool.ntp.org set as default ntphost on factory reset

• fixed parsing of analog CID in SDMF format

• fixed display of SNMP Server auth/encrypt values

• fixed sporadically sending unwanted BYE when a call comes in right after a call was ended

• added registration offset feature, so when working with multiple SIP accounts REGISTER requests are not sent all at once

• added experimental option ltedtmf, to select either inband/outbound/both DTMF events to be forwarded

• fixed mdio tool for new 6_12 MSP bonding firmware

• fixed issue on API Call "ProvisioningTriggerConfig"

• fixed rare case where API default user password was wrong

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21.x Firmware

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• fixed issue with DTMF passthrough on SIP->SIP calls

• fixed SDP handling issue, when there were multiple 180 RINGING messages with and without SDP

• fixed some issues on firmware downgrade

• fixed some issues on firmware upgrade

• fixed issue on incoming LTE call, when one call is already connected

• fixed error in API function TelephonyGetCdr and added new parameter download_old

• fixed some issues in the Fulltrace

• fixed handling of TON in Calldeflect/Rerouting facility for generating 302 redirect

• fixed rejecting calldeflect/rerouting with returnError Facility when calldeflect is disabled

• fixed LTE state table and added more information about technology

• added GUI support for TLS 1.2

• added SIP support for TLS 1.0, TLS 1.1 TLS 1.2, removed support for SSLv3

• added TLS certificate verification now enabled by default (if there is a problem registering to your TLS SIP server, upload the correct certificate or disable verification)

• added new licensing mechanism for SIP-SIP calls (transcoding and transparent channels)

• added made RTP handling selectable (transparent vs transcoding calls)

• added more performant handling of transparent SIP->SIP RTP streams

• added access to isgw telnet konsole in the GUI

• added custom tones to be configurable in the GUI for FXO

• added wait4idle timeout configurable on FXO to handle incoming ringing

• added verify_ringing option to FXO port group

• added FXS ring oscillator intervals to be configurable

• added experimental option ltedtmf, to handle non inband DTMF indications on LTE calls

• added config option anonymous_from_user_on_privacy

• added activationDiversionQ numbers are now available as dialplan variable

• added showing the network link status in GUI

• added interface can now be given for ACL rules

• added reworked DoS protection settings, can now be configured for different packet types and interfaces

• added more information to call statistic (formerly port statistic)

• reworked the Network Settings page

• improved debugging of PSTN ports in fulltrace

• performance improvements in GUI

• reduced memory consumption of isgw

• using ephemeral portrange 50000-60000 for outgoing UDP requests

• after a hardware factory reset via jumper, the SSH, HTTP and HTTPS Ports will be opened

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