Ver. 2.15
• Added forced reregistration of accounts on network state change;
• Added off-hook handling for external devices;
• Added volume control for Yealink devices;
• Added account field to the history;
• Added registration expiry time option for SIP accounts;
• Added ability to accept immediate T.38 requests;
• Added Auto answer remember state feature (Biz);
• Added Zoiprint printer driver for sending T.38 faxes (Biz);
• Added Zoiprint interface for sending T.38 faxes (Biz).
• Fixed outbound proxy usage issue;
• Fixed an issue on exit with the Yealink plug-in when there is no device present;
• Fixed several STUN issues;
• Fixed T.38 UDPTL stream issues;
• Fixed reinvite codec negotiation issue;
• Fixed manually clicking on incoming URL issue (Biz);
• Fixed open URL on: feature to work with external applications (Biz);
• Changed the CallerID build logic if Number and Name match, Zoiper displays only the name;
• Changed T.38 UDPTL timer resolution;
• Changed T.38 negotiation (less strict now);
• Changed TIFF file processing (less strict on files with warnings and non-fatal errors).
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