|  |  | 
 |  |  |       //from
 | 
 |  |  |       SipURI fromSipURI = sipLayer.getSipFactory().createAddressFactory().createSipURI(sipConfig.getId(),sipConfig.getDomain());
 | 
 |  |  |       Address fromAddress = sipLayer.getSipFactory().createAddressFactory().createAddress(fromSipURI);
 | 
 |  |  |       FromHeader fromHeader = sipLayer.getSipFactory().createHeaderFactory().createFromHeader(fromAddress, transactionInfo.isAsSender()? transactionInfo.getFromTag():transactionInfo.getToTag());
 | 
 |  |  |       FromHeader fromHeader = sipLayer.getSipFactory().createHeaderFactory().createFromHeader(fromAddress, !transactionInfo.isAsSender()? transactionInfo.getToTag():transactionInfo.getFromTag());
 | 
 |  |  |       //to
 | 
 |  |  |       SipURI toSipURI = sipLayer.getSipFactory().createAddressFactory().createSipURI(channelId,device.getHostAddress());
 | 
 |  |  |       Address toAddress = sipLayer.getSipFactory().createAddressFactory().createAddress(toSipURI);
 | 
 |  |  |       ToHeader toHeader = sipLayer.getSipFactory().createHeaderFactory().createToHeader(toAddress, transactionInfo.isAsSender()?transactionInfo.getToTag():transactionInfo.getFromTag());
 | 
 |  |  |       ToHeader toHeader = sipLayer.getSipFactory().createHeaderFactory().createToHeader(toAddress, !transactionInfo.isAsSender()? transactionInfo.getToTag(): transactionInfo.getFromTag());
 | 
 |  |  | 
 | 
 |  |  |       //Forwards
 | 
 |  |  |       MaxForwardsHeader maxForwards = sipLayer.getSipFactory().createHeaderFactory().createMaxForwardsHeader(70);
 |