支持下载多个云端录像的zip压缩包

src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/SIPRequestHeaderProvider.java

@@ -168,6 +168,7 @@ public class SIPRequestHeaderProvider {
 		// via
 		ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
 		ViaHeader viaHeader = SipFactory.getInstance().createHeaderFactory().createViaHeader(sipLayer.getLocalIp(device.getLocalIp()), sipConfig.getPort(), device.getTransport(), SipUtils.getNewViaTag());
+//		viaHeader.setRPort();
 		viaHeaders.add(viaHeader);
 		//from
 		SipURI fromSipURI = SipFactory.getInstance().createAddressFactory().createSipURI(sipConfig.getId(),sipConfig.getDomain());