/// <summary>
/// 查询设备目录请求
/// </summary>
/// <returns></returns>
private SIPRequest QueryItems(SIPEndPoint remoteEndPoint, string remoteSIPId)
{
string fromTag = CallProperties.CreateNewTag();
string toTag = CallProperties.CreateNewTag();
int cSeq = CallProperties.CreateNewCSeq();
string callId = CallProperties.CreateNewCallId();
SIPURI remoteUri = new SIPURI(RemoteSIPId, RemoteEndPoint.ToHost(), "");
SIPURI localUri = new SIPURI(LocalSIPId, LocalEndPoint.ToHost(), "");
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
//SIPToHeader to = new SIPToHeader(null, remoteUri, toTag);
SIPToHeader to = new SIPToHeader(null, remoteUri, null);
SIPRequest catalogReq = Transport.GetRequest(SIPMethodsEnum.MESSAGE, remoteUri);
catalogReq.Header.From = from;
catalogReq.Header.Contact = null;
catalogReq.Header.Allow = null;
catalogReq.Header.To = to;
catalogReq.Header.UserAgent = UserAgent;
catalogReq.Header.CSeq = cSeq;
catalogReq.Header.CallId = callId;
catalogReq.Header.ContentType = "application/MANSCDP+xml";
return(catalogReq);
}
/// <summary>
/// 向上级平台注册
/// </summary>
private void RegisterToPlatform()
{
string fromTag = CallProperties.CreateNewTag();
string callId = CallProperties.CreateNewCallId();
int cSeq = CallProperties.CreateNewCSeq();
string branch = CallProperties.CreateBranchId();
SIPURI localUri = new SIPURI(LocalSIPId, LocalEndPoint.ToHost(), "");
SIPURI remoteUri = new SIPURI(RemoteSIPId, RemoteEndPoint.ToHost(), "");
SIPRequest registerReq = new SIPRequest(SIPMethodsEnum.REGISTER, remoteUri);
SIPViaHeader via = new SIPViaHeader(LocalEndPoint, branch);
SIPViaSet viaSet = new SIPViaSet();
viaSet.PushViaHeader(via);
SIPFromHeader from = new SIPFromHeader(null, localUri, fromTag);
SIPToHeader to = new SIPToHeader(null, localUri, null);
SIPHeader header = new SIPHeader(from, to, cSeq, callId);
registerReq.Header = header;
SIPContactHeader contact = new SIPContactHeader(null, localUri);
header.Contact = new List <SIPContactHeader>();
header.Contact.Add(contact);
header.Vias = viaSet;
header.AuthenticationHeader = _auth;
header.Expires = 3600;
header.CSeqMethod = SIPMethodsEnum.REGISTER;
header.MaxForwards = 70;
header.ContentLength = 0;
header.UserAgent = SIPConstants.SIP_SERVER_STRING;
Transport.SendRequest(RemoteEndPoint, registerReq);
}