• E_CONFIG_FRAME : ConfigFrame.h
• E_GATEWAY_CLIENT_ERROR : GatewayClientErrorCodes.h
• E_GATEWAY_FRAME : GatewayFrame.h
• E_HDLCD_CLIENT_ERROR : HdlcdClientErrorCodes.h
• E_HDLCD_PACKET : HdlcdPacket.h
• E_SESSION_FLAGS : HdlcdSessionDescriptor.h
• E_SESSION_TYPE : HdlcdSessionDescriptor.h