Try new features by downloading our latest update of VOIP SIP SDK for iOS.

iOS changelog:

• - BREAKING CHANGE: fixed crash on iOS 16+ caused by socket background marking deprecated in iOS 10, this feature was used to operate while in background so that current SDK is unable to work in background on iOS 16+ without using PushKit
• - bumped minimum supported iOS version to 12
• - added methods to modify RTP media packet information
• - added option to remove remote-candidates attribute in SDP
• - added option to preserve media dynamic PT on call hold
• - added rtcp-mux support (UDP, SRTP, ICE)
• - added option to enable outgoing calls with rtcp-mux
• - changed libVersion to a class property, which allows to query SDK version without actual initialization
• - added option to control audio session reset on call end
• - added counters for RX and TX bytes counter in readCallMediaQuality result
• - update logic in OK reply for INVITE request to properly create answer with ice-mismatch in case RTCP-MUX option is enabled
• - fixed wrong INVITE header on CANCEL
• - added multiple call example app