<?xml version="1.0" encoding="utf-8"?><HelpTOCNode Title="Add Method " Url="html/Overload_Independentsoft_Sip_Sdp_AttributeCollection_Add.htm"><HelpTOCNode Title="Add Method (String)" Url="html/M_Independentsoft_Sip_Sdp_AttributeCollection_Add_2.htm" /><HelpTOCNode Title="Add Method (Attribute)" Url="html/M_Independentsoft_Sip_Sdp_AttributeCollection_Add.htm" /><HelpTOCNode Title="Add Method (AttributeCollection)" Url="html/M_Independentsoft_Sip_Sdp_AttributeCollection_Add_1.htm" /><HelpTOCNode Title="Add Method (String, String)" Url="html/M_Independentsoft_Sip_Sdp_AttributeCollection_Add_3.htm" /></HelpTOCNode>