K-14951 Fixed bug that, in some scenarios, on incoming call rejection caused the call to reoccur instead of performing the set overflow action K-10246 Fixed potential vulnerability to clickjacking. If enabled in provisioning configuration it remains active ONLY for terminal provisioning

K-12088 Disabled insecure HTTP access to the interface and API. K-14055 Improved on-call event generation mechanism to reduce Call Setup Time K-12645 Added new set of API V2 for address book management K-14637 Added Snom D862 and D865 devices to the list of built-in devices This release contains a number of bugfixes.

K-14958 Fixed bug that caused the line commitment prefix to be missing in the CDR for callback calls K-14803 Fixed bug that prevented calls originated by the advanced callback API from displaying in the list of active calls K-15125 Released the new Web-based CTI client WebCTI The main new feature of this firmware is the introduction of the new WebCTI client. Kalliope-14468 Added an API for uploading volatile audio files Kalliope-15467 Added new API to transfer an incoming call, not yet answered, to another internal or external selection Kalliope-15326 Added an API for filtering active calls by linkedId Kalliope-15924 Added new OID for exposing via SNMP the number of accounts in “Background” state Kalliope-15489 Added new panels for managing profiles of applications developed with the KPE (Kalliope Phone Engine) library Kalliope-15579 Added new built-in user with permissions necessary for proper integration with Kalliope Nexus

Kalliope-14505 Added panel, accessible by PBX administrator, to configure retention periods for logs

The main new feature of this firmware is the introduction of support for the new Kalliope Phone mobile app. To install version 4.15, bootloader 1.1.0 is required.

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