hangup static method
Hangup current call
Implementation
static Future<void> hangup() async {
try {
await VoipService.endAllCalls();
if (SipService.isInCall) {
await SipService.hangup();
}
debugPrint('✅ Call hung up');
} catch (e) {
debugPrint('❌ Hangup error: $e');
}
}