Download an important update of VoIP SIP SDK for Windows:
Change log:
– Fixed bug when app set new network interface, SDK doesn’t bind transport to it;
– Fixed lock on app destroy;
– New codecs build: Opus, g726, g722;
– Redesigned code which allows to insert the custom SIP headers;
– Fixed bad quality sound of G729 in multiple calls mode;
– Added ability to set SessionName (s=) in SDP.
Use code: cfg.AdditionalSDPContent(“SessionName|switchblade”)
– Fixed bug with updating/storing multiple accounts settings;
– Redesigned sending Hold event;
Now SDK raises it when received confirmation from remote side;
– Fixed bug with clearing proxy setting;
– Disabled sending unregister when app updates ‘RegExpire’ setting;
– Added the new properties ‘RingToneFileOnCallWaiting’, ‘RingToneFileOnCallWaiting’ – play tone only once;
– Added ability to send series of DTMF tones
Use the newly added method SendToneExLine2, or existing SendTone;