Update VOIP SIP SDK for iOS

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

iOS changelog:

  • updated OpenSSL to 1.1.1w
  • updated libSRTP to 2.5.0
  • added support for TLS 1.3, disabled by default
  • added option to change secure transport encryption type via socketEncryptionOptions option
  • added option in method updateCall to use SIP UPDATE instead of re-INVITE
  • added Objective-C sample with background method execution using GDC
  • Added script to generate dynamic SDK XCFramework