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
20.x Firmware
20.05.04 - 10.12.2021
- fixed problem handling SDP, when Ringing event withous SDP was sent before
- fixed bug leading to broken oad TON prefixing
- fixed using correct tls listening port in contact string for outgoing invites
- added experimental option ltedtmf, enabling #DTMFEV indications on lte
- added config option anonymous_from_user_on_privacy
- added call_forwarding_method options invite_incoming and diversion_incoming
- added reason header can now be deactivated with experimental option no_reason_header
20.05.03 - 17.05.2021
- bearer capability will now be passed through transparently on ISDN->ISDN calls
- added config option bearer
- fixed problem on ISDN->ISDN calls when CLEARMODE codec was used
- fixed control of LED lights on 24 FXS gateway
- changed format of analog port voltage logging
- fixed problem sending Invites to different proxy after registrar failure
- fixed XSS issue
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