IMPORTANT INFORMATION:
Firmware 20.05.03 needs to be installed, before installing the 21.01 Firmware
fixed issue on incoming SDP-less Re-Invite
fixed issue with SIP INFO on SIP->ISDN calls
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 on call is already connected
fixed not starting syslog logging after reboot
fixed error in API function TelephonyGetCdr and added new parameter download_old
fixed problem using peer with DNS SRV, when DNS server was not running during startup of isgw
fixed issue on SIP calls wanting their BYE authenticated
fixed some issues in the Fulltrace
fixed XSS issue
fixed handling of TON in Calldeflect/Rerouting facility for generating 302 redirect
fixed some issues on 24FXS SBC
fixed rejecting calldeflect/rerouting with returnError Facility when calldeflect is disabled
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 made TLS certificate verification as default setting (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 passthrough option for ISDN bearer capability
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
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 request
after a hard factory reset via jumper, the SSH, HTTP and HTTPS Ports will be opened
IMPORTANT INFO: Switching to german language renders the GUI inaccessible
In this case, install the 20.05.01 Firmware by rebooting into update mode by calling:
http://GATEWAYIP/app/api/api.php?apiCommand=FirmwareUpdateReboot
replace the string GATEWAYIP with the IP of your gateway
GUI-Mode: Reloading the browser cache can be required. Use CRTL+SHIFT+R or CTRL+F5 or SHIFT+F5 to reload it
Most notable changes in comparison to current 16.15 firmware:
fixed slowness issue in GUI
better handling of privacy header in auto mode on SIP->SIP calls (outgoing leg uses values of first leg)
fixed error in SDP when rejecting T.38, if multiple media sections were offered
fixed error when restoring isgw.causes
fixed XSS vulnerability
fixed prefixing dad with ton prefix
fixed problem with no audio on SIP->SIP calls when send_only was offered in SDP
fixed problem for with SDP offers offering codecs with higher sampling rate
fixed offering of tracing ISDN ports in fulltrace only when no ISDN ports are available
fixed issue with analog port configuration during firmware update
added config option config option isdn2sip_source_numformat
added support for FXO adminstrative offhook mode
added new parameters to use_privacy_header config option, options are now auto, off, none and id
removed config option d2s_oad_prefix_setting
removed SIP profile management from GUI
config option disable_prack now used for inbound sip calls too
on T1/E1 modules E1-HDLC is used as default, for reconfiguring to CAS/T1 update the hardware configuration during a factory reset now
now displaying hardware configuration table when the module has been be just plugged
now display pipe installation-progress when a new tab is opened
improved collecting of debug data during full-trace
improved handling of FSK caller-id detection on FXO ports
fixed disabling of echo canceller
fixed VAZ prepending in case of usage of failover proxy
fixed VAZ prepending in GSM and FXS calls
fixed timeslot allocation for T1E1 module
fixed problem with s2s licence reading for new cards starting with serial number 30
added config option ec_sparse_params
added config option s2s_rtp_passthrough
added config option r2config for setting MFCR2 parameters
added codes for rejecting RTP or T.38, status code can be configured now in the causes map
changed default reject status code from 415 to 488 for T.38
changed default for sip_info_on_facility to 0