/// <summary>
/// Retrieves the other end of a call given the dialogue from one end.
/// </summary>
/// <param name="dialogue"></param>
/// <returns></returns>
public SIPDialogue GetOppositeDialogue(SIPDialogue dialogue)
{
if (dialogue.BridgeId != Guid.Empty)
{
SIPCall sipCall = m_sipCallDataLayer.Get(d => d.BridgeID == dialogue.BridgeId && d.ID != dialogue.Id);
return((sipCall != null) ? sipCall.ToSIPDialogue() : null);
}
else
{
return(null);
}
}
public SIPDialogue GetDialogue(string callId, string localTag, string remoteTag)
{
SIPCall sipCall = m_sipCallDataLayer.Get(d => d.CallID == callId && d.LocalTag == localTag && d.RemoteTag == remoteTag);
if (sipCall != null)
{
//logger.Debug("SIPDialogueManager dialogue match correctly found on dialogue hash.");
return(sipCall.ToSIPDialogue());
}
else
{
// Try on To tag.
sipCall = m_sipCallDataLayer.Get(d => d.LocalTag == localTag);
if (sipCall != null)
{
logger.LogWarning("SIPDialogueManager dialogue match found on fallback mechanism of To tag.");
return(sipCall.ToSIPDialogue());
}
// Try on From tag.
sipCall = m_sipCallDataLayer.Get(d => d.RemoteTag == remoteTag);
if (sipCall != null)
{
logger.LogWarning("SIPDialogueManager dialogue match found on fallback mechanism of From tag.");
return(sipCall.ToSIPDialogue());
}
// As an experiment will try on the Call-ID as well. However as a safeguard it will only succeed if there is only one instance of the
// Call-ID in use. Since the Call-ID is not mandated by the SIP standard as being unique there it may be that matching on it causes more
// problems then it solves.
sipCall = m_sipCallDataLayer.Get(d => d.CallID == callId);
if (sipCall != null)
{
logger.LogWarning("SIPDialogueManager dialogue match found on fallback mechanism of Call-ID.");
return(sipCall.ToSIPDialogue());
}
}
return(null);
}