- AccessNetworkInfoHeader
- AssertedIdentityHeader
- AssociatedURIHeader
- CalledPartyIDHeader
- ChargingFunctionAddressesHeader
- ChargingVectorHeader
- ClientTransaction
- ConnectionDownEvent
- ConnectionUpEvent
- DialogBuilder
- DialogBuilder.Unconfigured
- DiversionHeader
- Endpoint
- FlowIDHeader
- FlowTimerHeader
- HeaderExt
- HistoryInfoHeader
- IMSHeaderFactory
- JoinHeader
- LazyParsedMessage
- LazyParsingException
- MediaAuthorizationHeader
- MinSEHeader
- NoAckReceivedEvent
- OCHeaderFactory
- OCMessage
- OCMessageFactory
- OCSipActivityContextInterfaceFactory
- OCSleeSipProvider
- OptionTags
- ParametersHeaderExt
- PathHeader
- PersistentOutboundConnection
- PreferredIdentityHeader
- PrivacyHeader
- RAckHeader
- ReferredByHeader
- Refresher
- ReplacesHeader
- RequestPendingException
- RSeqHeader
- ServedUserHeader
- ServerTransaction
- ServiceRouteHeader
- SessionExpiredEvent
- SessionExpiresHeader
- SessionRefresher
- SessionRefreshFailedEvent
- SessionRefreshRequiredEvent
- SessionTimer
- SessionTimerDialog
- SessionTimerHeaderFactory
- SessionTimerOptions
- SessionTimerOptions.Builder
- SipURIExt
- TargetDialogHeader
- Transaction
- VisitedNetworkIDHeader