Wireshark, Rtp, Uikit, Webrtc, Asterisk, Swift, PushKit, SwiftUI, Background terminated-state incoming calls, freeswitch, Kamailio, PJSIP, FusionPBX, SIP WebRTC debugging, APNs VoIP Push Notifications, CallKit, Linphone SDK, PJSUA2, AVAudioSession, SIP, SRTP, Bluetooth AirPods audio routing, Wi-Fi ? 4G 5G network handover

Firebase, Websocket, Core Data, Realm, Uikit, Rest Apis, Swift, Core ML, SwiftUI, AVFoundation, GitHub Actions, CI CD tools, Bitrise

Software Development, Ios Development, Agile, Swift, Ios