21.x Firmware
21.01 - 03.08.2021
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 factory reset, the SSH, HTTP and HTTPS Ports will be opened
20.x Firmware
20.05.03 - 17.05.2021
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